B. He would need to multiply 121 by 24. That would then leave him some money left to pay. Then you subtract that from the total price.
Answer:
She will wash 24% windows in one hour
Step-by-step explanation:
If Ava washes 12% windows in half hour
Since 2 half hours makes one hour
Therefore, 2 × 12% will be washed in one hour
That is, Ava will wash 24% windows in one hour
That would be .82 as 82% is 82/100 so that makes the answer .82
