The sales tax rate is 5.5%. Find the tax paid for a coat that costs $60.

A $33.00

** B $3.30**

C $0.92

D $0.09

$60 * 0.055 (divide by 100 to turn into decimal) = **$3.30 tax paid**

Choose an appropriate unit of measurement for the mass of a peanut.

A kilogram

B milligram

** C gram**

D kilometer

Jonah needs to purchase 30 juice packs for his class. While shopping, Jonah discovers the following prices for comparable juice packs. Which offers the best unit price?

** A 15 packs for $3.95**

B 5 packs for $2.20

C 20 packs for $6.20

D 10 packs for $3.20

**3.95/15=0.26 per 1 pack (cheapest)**

2.20/5=0.44 per 1 pack (most expensive)

6.20/20=0.31 per 1 pack

3.20/10=0.32 per 1 pack

Find the unit rate. Round to the nearest tenth, if necessary.

344 miles in 11 hours

A 344 miles/hour

B 3784 miles/hour

C 0.03 miles/hour

** D 31.27 miles/hour**

344/11=**31.3**

Use dimensional analysis to convert the measure.

447 cm = ? m

** A 4.47**

B 44.7

C 44,700

D 4,470

447cm to ? m

(divide by 100) since 1 cm = 0.01 m

447cm/100=**4.47 m**

Coree can type 5,349 words in one hour. Convert this rate to words per minute.

A 32,094 words per minute

B 320,940 words per minute

** C 89.2 words per minute**

D 891.5 words per minute

5349/60 (60 minutes in one hour)= **89.15**

Find the unit rate. Round to the nearest tenth, if necessary.

In 10 months, 62.6 gallons were used.

** A 6.3 gallons/month**

B 10 gallons/month

C 0.16 gallons/month

D 626 gallons/month

62.6/10=**6.3** gallons/months

The price of 8.4 ounces of crackers is $2.42. What is the unit price? Round your answer to the nearest cent

A $0.15 per ounce

B $3.47 per ounce

C $28.81 per ounce

** D $0.29 per ounce**

2.42/8.4=0.29 per ounce

If unsure what to divide, set up as proportion \(\frac{8.4 ounces}{$2.42}=\frac{1 ounces}{$x}\)cross multiply, 8.4x=2.42, divide both sides by 8.4, 2.42/8.4=**$0.29 **per ounce

Use dimensional analysis to convert the measure. There are 16 ounces in a pound.

38 oz = ? lb

A 152

B 4.75

C 608

** D 2.38**

\(\frac{16 ounces}{1 pound}=\frac{38 ounces}{x pound}\)=**2.38**

Choose an appropriate unit of measurement.

Capacity of a soda can.

A gallons

B pints

C quarts

** D fluid ounces**