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trinityine
06.10.2019 •
Mathematics
Mr. frankel bought 9 tickets to a puppet show and spent $70. he bought a combination of child tickets for $5 each and adult tickets for $10 each. write a system of equations that can be used to determine the number of adult tickets, a, and the number of child tickets, c, he bought.
solve by elimination
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Ответ:
Step-by-step explanation:
let $5 tickets is X
so.. $10 = 9-x
now
5x + 10(9-x) = 70
so...
5x = 20
X = 4
hence
$5::: 4
$10::: 5
Ответ:
Part B. because j walk 8 more block than k. If k walk 11 blocks then j walked 19 blocks