Question

Dave has $15 to spend on an $8 book and two birthday cards(c) for his friends. how much can he spend on each card if he buys the same card for each friend?

Please do not use the equal sign, we're using the greater than >, or less than sign< !​

Answer 1

$3.50 per card

Explanation:

15 = 8 + 2x

x = 7 / 2

x = 3.50

Answer 2

each card cost = $3.5

Explanation:

to spent $15 = $8 + 2cards

$15 = $8 + 2C

$15 - $8 = 2C

$7 = 2C

C = $7 / 2

C = $3.5

therefore each card cost = $3.5