11. An clevator descends into a mine shaft at the rate of 6 m/min. The descent starts from
10 m above sea level.
(1) Where will it reach in 20 minutes?
un) How long will it take to reach a depth of --350 m?
Answers
Answer:
1) An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach -350m.
Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse . How much was the blouse?
2) Next, identify the numbers.
Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse . How much was the blouse?
Next, identify the key words. These include add, subtract, remove, spend, earn, less, more, times, twice, half, etc.
Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse . How much was the blouse?
Finally, convert everything into an equation.
42
=
2
⋅
blouse
−
14
Now, solve the equation.
56
=
2
⋅
b
l
o
u
s
e
b
l
o
u
s
e
=
28
The blouse was 28 dollars.