What is the unit price of 8 pencils for $2.24? ?

$0.28 per pencil

Step-by-step explanation: Unit price means the cost per unit, in this case the cost per per pencil.

Since we know that it costs $2.24 for 8 pencils, to find the cost for 1 pencil, we need to divide 8 into $2.24.

I provided an image with the division. *You can also just use a calculator.*

So, 8 divides into 2.24 0.28 times.

Therefore, each pencil costs 28 cents which means that the unit price is 28 cents per pencil.

let soccer = x and golf = y

part a

1st equation: x + y = 125

2nd equation: x = y +45

part b

replace x in the 1st equation with the 2nd one:

y + 45 + y = 125

simplify:

2y + 45 = 125

subtract 45 from each side:

2y = 80

divide both sides by 2:

y = 80/2

y = 40

she plays golf for 40 minutes.

part c

no because she plays soccer for 45 minutes longer than golf 40 +45 =   85 minutes, not 80 minutes.

step-by-step explanation:

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