BRAINLIEST Two customer went to a 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 of each large envelope?
Q) $1.42
b.) $0.35
c.) $1.15
d.) $0.63
EXPLAIN IN STEPS OR ELSE