madisontaegarmatus
02.08.2019 •
Mathematics
Apair of shoes that normally cost $75 is on sale for $55. what is the percent decrease in the price
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Ответ:
Ответ:
Ming has to play for 15 hours to earn 500 points.
Step-by-step explanation:
1. Make an equation: 200 + 20h = 500 pts
2. 500 - 200 = 300
3. 300 / 20 = 15
h = 15 hours