Answer:
90
Step-by-step explanation:
im assuming the problem is 10+7b+10+7b
10 +7(5)+7(5)+10
90
He would pay more in this point because 20% is more than 10 US dollars
Her book was 10 days late. D = days. The equation is .25(4) + .30d = 4.00. First you multiply .25 • 4 to get 1. Then you subtract 1 from both sides and get .30d = 3. Next you divide both sides by .30 to get d = 10.
Answer: 720 mph or 12 miles a minute
Step-by-step explanation:
