write an algebraic equation for each real-life situations. 1.) Mr. and Mrs. Santos own a laundry shop. They had 134 customers this week, 18 fewer than last week. Write an algebraic equation for the number of customers they had last week.
2.) The Grade 6 Basketball Team scored three less than thrice as many points as their opponent. Their total score at the end of the game was 108. Write an algebraic equation for the number of points they scored.
Answers
Given : Mr. and Mrs. Santos own a laundry shop.
They had 134 customers this week, 18 fewer than last week.
To Find : Write an algebraic equation for the number of customers they had last week.
Solution:
Assume that number of customers they had last week. = C
They had 134 customers this week, 18 fewer than last week.
18 fewer than last week. = C - 18
They had 134 customers
Equate both
=> C - 18 = 134
or
C = 134 + 18
=> C = 152
Number of point opponent scored = S
Team scored three less than thrice as many points as their opponent.
= 3S - 3
total score at the end of the game was 108
3S - 3 = 108
=> 3S = 111
=> S = 37
Opponent scored = 37 points
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