15/x=75/100
15/x=3/4
times 4x both sides
4*15=3x
60=3x
divide both sides by 3
20=x
Answer:
15d+25e+15
Step-by-step explanation:
Distribute
638-243 = 395 miles
rounding up, it would be 400 miles
Answer:
y=-5x+17
Step-by-step explanation:
8 weeks
First, find how much money Maurisa saves each week. 25% is the same as 1/4, and 1/4 of 8 is 2, so Maurisa saves $2 each week.
Finally, just divide $16 by $2 per week to find that Maurisa will take 8 weeks to save $16.