23. 15 books to 21 books Increan
24.
60 cars to 24 cars
decrease
Find the price
25.
The cost of making a blouse is $7. The manufacturer has a markup of 120% when selling to the
retailer. How much does the retailer pay for each blouse?
26.
A laptop has a regular price of $600. Find the total cost if it is on sale for 15% off.
27.
Suppose the subtotal of your restaurant bill is $18. How much tip would you leave if you tip 15%
28.
Josephine receives a commission of $8.0% on a sale of $230. What is her commission rate?
An account earns annual simple interest. Find the interest rate.
29. Interest earned: $3250
Principal: $5000
Interest rate:
Time:10 years
30.
An account earns annual simple interest. Find the balance of the account.
$5000 at 6% for 9 months

Ik it’s a lot but I really need help