Jamal went to the post office to buy stamps and large envelopes. Each stamp costs the same amount, and each large envelope costs the same amount. The first customer paid $13.25 for 14 stamps and 5 large envelopes. The second customer paid $23.75 for 10 stamps and 15 large envelopes. What was the cost in dollars of each large envelope?

isi

step-by-step explanation:

use that smart brain

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%

answer: 1.5

step-by-step explana

0.61 has 2 decimal places, so we put the decimal digits of 0.61, 61 over 1 followed by the number of zeroes equal to the number of decimal places, 

2:     61/1 = 61/100.