I think you misworded this question. If he buys 30 cups and puts four balls in each, then he would still have 30 cups.
3x-5=10
To find the number:
3x=10+5
3x=15
x=15/3
x=5
Answer:
cool
Step-by-step explanation:
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Answer:
It is 18
Step-by-step explanation:100-82=18
