(This is what I think) First, we minus 720 from her 1000. Now she has $280 left. 280 divided by 28 (the trainer cost) is 10. So, she can spend 10 hours with the personal trainer.
The formula for volume is base×height×width
Hey I'm probably too late but your answer would be 26-7i
Hope this helps :)
Answer:
it's a perfect cube only....
Answer:615.44
Step-by-step explanation: