laura goes shopping she spends one fourth of her money on a pair of shorts and one third of her remaining money on a belt if lau
ra has $42 dollars left after these two purchases how much money did she have when she started shopping?
1 answer:
Answer:
84 dollars
Step-by-step explanation:
use x to represent the amount of money Laura had when she started shopping.
use y to represent the amount of money she had left after buying a pair of shorts.
You can create these two equations:
3/4x=y
2/3x=42
now, subsitute the value of y into the second equation.
2/3(3/4x)=42
1/2x=42
x=84
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