Mat 115 Checkpoint 5

CheckPoint Chapter 5 – Week 5   Worksheet Due Friday (day 5) of Week 5
There are a total of 15 problems each worth 2 points for a total of 30 points.

NOTE: Type the Letter of your chosen answer by clicking on the red line next to ANSWER and then typing the Letter A,B or C.   If you show your work, do so below the red line.

1. (5.1-#8) Write the ratio of 5 3/5 to 2 1/10 in the simplest form.
A) 8/3 B) 5/2 C) 53/21
ANSWER: _A___

2. (5.1-#24)   Write the ratio of the value of 7 dimes to 3 quarters in the simplest form.
A) 28/30 B) 14/15 C) 70/75
ANSWER: _B___

3. (5.1-#34) Marc took 3 hours to mow a lawn while Angelina took 150 minutes to mow the same lawn a week earlier.   Write the ratio of Marc’s time to Angelina’s time as a ratio of whole numbers.
A) 6/5 B) 3/5 C) 5/6
ANSWER: _A___

4. (5.2-#14) Find the rate:     240 pounds of fertilizer / 6 lawns
A) 246 B) 234 C) 40
ANSWER: _C___

5. (5.2-#30)   Which is the better buy?   5 lbs of sugar for $4.75 or 20 lbs of sugar for $19.92
A) 5lbs B) 20lbs
ANSWER: __A__

6. (5.3-#28) Write the following as proportions.   If Maria hit 8 home runs in 15 softball games, then she should hit 24 home runs in 45 games.
A) 8hr’s /15g’s = 45hr’s/24g’s     B) 8hr’s/15g’s = 24hr’s/45g’s     C) 8hr’s/15g’s =   12hr’s/22g’s
ANSWER: _B___

7. (5.3-#28)   Determine whether the pair of fractions is proportional.   5/8   and   75/120
A) Yes B) No
ANSWER: __A__

8. (5.3-#48)   Determine if the given rates are equivalent.
12 gallons of paint / 8,329 ft2   and   9 gallons of paint / 1,240 ft2
A) Yes B) No
ANSWER: __B__

9. (5.5-#16)   A store has T-shirts on sale at 2 for $5.50.   At this rate, what do 5 T-shirts cost?
A) $11.00 B) $2.25 C) $13.75
ANSWER: __C__

Activity 15 – BURNING   CALORIES
Many people are interested in losing weight through exercise.   An important fact to consider is that a person needs to burn off 3,500 calories more than he or she takes in to lose 1 pound, according to the... [continues]

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