Question

Two customers went to the post office to buy postcards and large envelopes. Each postcard costs the same amount, and each large envelope costs the same amount. The first customer paid $12 for 14 postcards and 5 large envelopes. The second customer paid $24.80 for 10 postcards and 15 large envelopes. What was the cost in dollars of each large envelope? 1. $1.42 2. $1.15 3. $0.63

Name: two customers went to the post office to buy postcards and large envelopes each postcard costs the same amount and each large envelope costs the same amount the first customer paid 12 for 14 08908
Uploaded: 2023-03-17T02:47:46-08:00
Duration: 1 min 40 s
Channel: Supreeta N
Description: two customers went to the post office to buy postcards and large envelopes each postcard costs the same amount and each large envelope costs the same amount the first customer paid 12 for 14 08908

          Two customers went to the post office to buy postcards and large envelopes. Each postcard costs the same amount, and each large envelope costs the same amount.

The first customer paid $12 for 14 postcards and 5 large envelopes.

The second customer paid $24.80 for 10 postcards and 15 large envelopes.

What was the cost in dollars of each large envelope?

1. $1.42
2. $1.15
3. $0.63

Added by Kelly T.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Supreeta N

03/17/2023

Step 1

We can set up two equations based on the information given: 1) 14x + 5y = 12 (first customer) 2) 10x + 15y = 24.80 (second customer) We can solve this system of equations using the substitution or elimination method. Let's use the elimination method. Show more…

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Two customers went to the post office to buy postcards and large envelopes. Each postcard costs the same amount, and each large envelope costs the same amount. The first customer paid $12 for 14 postcards and 5 large envelopes. The second customer paid $24.80 for 10 postcards and 15 large envelopes. What was the cost in dollars of each large envelope? 1. $1.42 2. $1.15 3. $0.63