Question

If a jar of peanut butter costs $3.89 in Ray's Market, but costs 1.3 times as much in Jim's Supermarket, how much does Jim's Supermarket charge for peanut butter?

a) $5.06
b) $4.64
c) $3.31
d) $2.99

Answer 1

To calculate the price of peanut butter at Jim's Supermarket, you multiply the price at Ray's Market, $3.89, by 1.3. The correct answer is $5.06.

Step-by-step explanation:

To determine how much Jim's Supermarket charges for peanut butter when it costs 1.3 times as much as it does in Ray's Market, where it is priced at $3.89, we use the following calculation:

Price at Jim's Supermarket = Price at Ray's Market × 1.3
= $3.89 × 1.3
= $5.06.

Therefore, the correct answer is $5.06, which corresponds to option (a).