Review for 2.5- 2.8

Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or decrease.

original: 80 new: 52

• 28; decrease

• 35%; decrease

• 35%; increase

• 28; decrease

Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or decrease.

original: $87.05 21 new: $100

• 12.95; increase

• 15%; decrease

• 12.95 decrease

• 15%; increase

Find the total cost to the nearest cent.

$115 coat; 7% tax

• $123.05

• $122

• $115.07

• $123

Find the total cost to the nearest cent.

$40.80 dinner; 17% tip

• $47.73

• $47.97

• $47.74

• $693.60

Find the total cost to the nearest cent.

$47 tie; 4.5% markup

• $49.11

• $49.12

• $258.50

• $258.50

Find the sale price to the nearest cent.

$45 shelf; 35% discount

• $15.75

• $60.75

• $45.35

• $29.25

Find the simple interest paid to the nearest cent for each loan, interest rate, and time.

$280, 5.5%, 4 years

• $6160

• $616

• $61.60

• $5.13

Find the simple interest paid to the nearest cent for each loan, interest rate, and time.

$1,245, 5.4%, 6 months

• $403.38

• $4033.80

• $226.15

• $33.62