jayden and carson are selling t-shirts and sweatshirts for a fundraiser. jayden sells 9 t-shirts and 3 sweatshirts for $288. car
son sells 1 t-shirt and 6 sweatshirts for $270. solve the system of equations for this situation.using elimination
1 answer:
Answer:
sweatshirts cost $42
t-shirts cost $18
Step-by-step explanation:
9x+3y=288
x+6y=270
substitute 270-6y for x in the first problem
9(270-6y) +3y=288
2430-54y+3y=288
2430-51y=288
51y=-2142
y=42
then plug y=42 into the second equation
x+6(42)=270
x+252=270
x=18
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a number = x
decreased= subtracting
square of 9= 9^2
