chicken delight sells whole chicken dinners for $12 and half chicken dinners for $8. yesterday they sold a total of 400 dinners and took in $4,200.how much of each size dinner were sold? what were the doolar sales of each size dinner?

$12 whole (x)

$8 for half (y)

400 dinners and took in 4200

4200=12x+8y

x+y=400

400-x=y

4200=12x+8(400-x)

4200=12x+3200-8x

simplify and you get 1000=4x which is 250=x

then y is 150

so 150 $8 halves

and 250 Wholes $12

then we check and see

4200=12(250)+8(150)

4200=3000+1200

wholes brought in 3000$ and halves brought in $1200

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