Kelly spends $63.90 on items for a party. She buys thank you cards that cost $5.40 (including tax). She also buys gift bags that
cost $11.70 each. If she buys one gift bag for each guest, how many guests did Kelly invite to the party?
A.
6
B.
5
C.
8
D.
4
2 answers:
$63.90 (total)
$5.40 (cards)
$11.70/per (bags)
$63.90 - $5.40 = $58.50
$58.50 / $11.70 = 5
She invited 5 guests (b).
Ok, so 2 solutions, 1 is if buy cards for every guest
other is if buy only 1 gift card
1st one
63.9=5.4x+11.7x
63.9=17.1x
divide both sides by 17.1
crazydecimal=x
wrong, yo can't buy a decimal amount of cads
2nd
63.9=5.4+11.7x
minus 5.4 both sides
59.5=11.7x
divide both sides by 11.7
5=x
5 guests
B is answer
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