Percents Topic 3

Find the percent error. You estimate that you sent 135 texts last week but when you get the bill it was actually 108. 

• (135 - 108)/135 = 20%
• (135 - 108)/108 = 25%
• (108 - 135)/135 = -20%
• (108 - 135)/108 = -25%

Tags

CCSS.6.RP.A.3C

A computer store used a markup rate of 40%. Find the selling price of a computer game that costs $25.

• $35.50

• $15

• $33

• $35

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.2

CCSS.7.RP.A.3

How much tip should you leave if you want to tip 23% at Applebee's on a $27.31 bill? How much is your total bill?

• $6.28 tip so total bill is $33.59

• $628.13 is the total

• $6.28 tip so total bill is $21.03

What is bigger, 62% of 75 or 70% of 65? Explain

• 62% of 75 is bigger by 1

• 70% of 65 is bigger by 1

• they are both equal

• can't really tell...

Jack deposited $1,400 in his bank account. After 3 years, the account earned $294 in interest. Find the simple interest rate. Use i = P R T

• 5%

• 8%

• 7.25%

• 7%

Tom's weekly salary increased from $240 to $288. What was the percent of change?

• 120%

• 20%

• 16.6%

• 15%

Find the percent of change: Your weight is increased from 128 pounds to 155 pounds. Use the percent change formula. Round to the nearest whole number.

• 83%

• 21%

• 17%

• 27%

Mrs. Brooks bought a microwave that was originally priced at $225. She received a 30% discount. What is the sale price of the microwave? (Find the sale price THEN subtract).

• $67.50

• $195

• $157.50

• $292.50

Ella has a music collection. 75% of her songs are rock music. If she has 40 rock songs, how many songs does Ella have in her whole collection? (use %/100 = part/whole. Is 40 the part or the whole?)

• 53

• 3000

• 10

• 30

Elijah took out a 2-year loan to buy a car at a 6% simple interest rate. If he has to pay $264 in interest, how much principal did he borrow?

• $31.68

• $15.84

• $22

• $2200