Trevor has 16 t-shirts.
Step-by-step explanation:
Given,
Total t-shirts to sell = 26
Let,
x be the number of t-shirts Trevor sells.
y be the number of t-shirts Marissa sells.
According to given statement;
x+y=26 Eqn 1
Marissa has six fewer T-shirts then Trevor means she has 6 shirts less than Trevore.
y = x-6 Eqn 2
Putting value of y from Eqn 2 in Eqn 1
[tex]x+(x-6)=26\\x+x-6=26\\2x=26+6\\2x=32[/tex]
Dividing both sides by 2
[tex]\frac{2x}{2}=\frac{32}{2}\\x=16[/tex]
Trevor has 16 t-shirts.
Keywords: linear equation, substitution method
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