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

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp