Two customers went to the post office to buy postcards and large envelopes. Each postcard costs the same amount and each large e
nvelope 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
1 answer:
Answer:
The first one $1.42
Step-by-step explanation:
1.42x5=7.1 (cost of all envelopes)
12-7.1=4.9
4.9/14=0.35 (one postcard)
10 postcards= 3.5
1.42x15=21.3 (cost of all envelopes)
3.5+21.3=$24.80
You might be interested in
Answer:
2/3
Step-by-step explanation:
To add fractions add the numbers on top to each other and leave the bottom numbers alone if they are the same number.
Answer:
no picture.
Step-by-step explanation:
no picture
Here is the equations in standard form
I think it 317.36
$325+10%=29.5+8.5%=317.36
30 + 2x = 90
2x = 60
x = 30
Answer:
x = 30
