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melomori [17]
3 years ago
10

PLEASE HELP

Mathematics
2 answers:
muminat3 years ago
8 0

part A-

3t + .80m = 18 (t - tickets) (m - meals)

we already know m = 15 so our equation would turn into

3t + .80(15) = 18

3t + 12 = 18


part B-

3t + 12 = 18

subtract 12 from both sides

3t + 12 = 18

-12 -12

then, 3t= 6

and, we know 3 goes into 6 two times meaning t=2


part C- Erica purchased 2 movie tickets last month




shusha [124]3 years ago
6 0
15 meals x $0.80 = $12.
$18 - $12 = $6.

If one movie ticket is $3 then she must have purchased 2 with $6.

Part A - 15x0.8=18-x=x

Part B-
15 x 0.8 = 12
18- 12=6

Part C- 2

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