to
(-12) + (-43) + (+38)
3.
10.
5
(-89) + (-103)
4. (+194) + (+57)
(-217) + (+104)
Solve each problem.
Kris gets on the elevator on the eleventh floor. The elevator goes down
1.
and stops. It then continues to go down four more floors where Kris
floor did he get off the elevator?
Mrs. Reyes lost 3 kg when she was ill. After recovering, she gained 7 ke
2.
to a fitness center and lost 2 kg. How much did she finally lose or gain
Carlo saved #2,550.00 from his daily allowance. He spent P850.00
of jeans and P450.00 to buy a shirt. How much of his money was let
In a game, each team receives 3 points for each correct answer andic
each incorrect answer. Rio's team answered 7 questions correctly a
incorrectly. What was the team's final score?
Answers
SOLUTION
TO DETERMINE
Solve each problem.
1. Kris gets on the elevator on the eleventh floor. The elevator goes down two floors and stops. It then continues to go down four more floors where Kris got off, In what floor did he get off the elevator?
2. Mrs. Reyes lost 3 kg when she was ill. After recovering, she gained 7 kg. She went to a fitness center and lost 2 kg. How much did she finally lose or gain?
3. Carlo saved P 2,550.00 from his daily allowance. He spent P 850. 00 to buy a pair of jeans and P450.00 to buy a shirt. How much of his money was left?
4. Ina game, each team receives 3 points for each correct answer and loses 1 point for each incorrect answer. Rio's team answered 7 questions correctly and 3 questions incorrectly. What was the team's final score?
EVALUATION
1. Here it is given that
Kris gets on the elevator on the eleventh floor.
The elevator goes down two floors and stops.
So the present position of Kris
= ( 11 - 2 ) th floor
= 9 th floor
Now It continues to go down four more floors where Kris got off
Hence the floor where Kris got off the elevator
= ( 9 - 4 ) th floor
= 5 th floor
2. Mrs. Reyes lost 3 kg when she was ill.
After recovering, she gained 7 kg.
Now 7 > 3
So gain of Mrs. Reyes
= 7 - 3 kg
= 4 kg
She went to a fitness center and lost 2 kg.
Now 4 > 2
So Mrs. Reyes gains weight
Hence Mrs. Reyes finally gains
= 4 - 2 kg
= 2 kg
3. Carlo saved P 2,550.00 from his daily allowance.
He spent P 850. 00 to buy a pair of jeans
So money left with Carlo
= P 2550.00 - P 850.00
= P 1700.00
Again Carlo spent P450.00 to buy a shirt.
Hence finally the money was left
= P 1700.00 - P 450.00
= P 1250.00
4. Ina game, each team receives 3 points for each correct answer and loses 1 point for each incorrect answer.
Rio's team answered 7 questions correctly and 3 questions incorrectly.
So points receive for correct answer
= 7 × 3
= 21
Again points loses for incorrect answer
= 1 × 3
= 3
Hence the team's final score
= 21 - 3
= 18
━━━━━━━━━━━━━━━━
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Given : 1. Kris gets on the elevator on the eleventh floor. The elevator goes down two floors and stops. It then continues to go down four more floors where Kris got off,
2. Mrs. Reyes lost 3 kg when she was ill. After recovering, she gained 7 kg. She went to a fitness center and lost 2 kg.
3. Carto saved 2,550.00 from his daily allowance. He spent P850 00 to buy a pair of jeans and P450.00 to buy a shirt.
To Find : In what floor did he get off the elevator?
How much did she finally lose or gain?
How much of his money was left?
Solution:
Kris gets on the elevator on the eleventh floor. 11
The elevator goes down two floors and stops. 11 -2 = 9
It then continues to go down four more floors where Kris got off,
9 - 4 = 5
Kris gets off the elevator on 5th Floor
Mrs. Reyes lost 3 kg when she was ill. = - 3
After recovering, she gained 7 kg. = + 7
She went to a fitness center and lost 2 kg. = - 2
Net - 3 + 7 - 2 = 2 kg
She gain 2 kg weight
Carto saved 2,550.00 from his daily allowance. He spent P850 00 to buy a pair of jeans and P450.00 to buy a shirt.
money was left = 2550 - 850 - 450
= 1700 - 450
= 1250
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