mayajackson2021 mayajackson2021

02-09-2019
Mathematics

contestada

Two shirts and one tie costs $42, but one shirt and two ties cost $39. What does one shirt cost?

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isabellaaaa51 isabellaaaa51

02-09-2019

let s = shirts
let t = ties
2s + t = 42
s + 2t = 39
s = 15
t = 12
one shirt equals $15

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