5003 Elementary Education Mathematics Subtest Exams — 5009 Praxis Math Answers

1. The cost of 3 identical cans of peaches at a store is $2.67. At this rate, what is the cost of 8 cans of peaches?

Answer: B

Explanation:

The cost of 8 cans of peaches is $7.12.

To determine the cost of 8 cans of peaches, we first find the cost of one can by dividing the total cost of 3 cans by 3. Then, we multiply that cost by 8 to find the total for 8 cans, resulting in $7.12.

A) $5.34

This option represents the cost for 3 cans of peaches, which is $2.67. Since it does not account for the number of cans requested (8), it is incorrect.

B) $7.12

This option is correct as it accurately reflects the calculated cost for 8 cans. First, the cost per can is found by dividing $2.67 by 3, which is approximately $0.89. Multiplying $0.89 by 8 gives the total of $7.12.

C) $8.01

This option is incorrect because it overestimates the total cost for 8 cans. Based on the calculation of $0.89 per can, the result should be lower than $8.01.

D) $21.36

This option is incorrect as it suggests an inflated total that does not align with the calculated price. It appears to be a miscalculation, likely assuming a higher price per can than is correct.

Conclusion

The correct answer is $7.12, which accurately represents the cost of 8 cans based on the price per can derived from the original cost of 3 cans. All other options fail to provide the correct amount based on proper calculations or misinterpret the pricing structure.