To find the number of units that gives break-even for the product, solve the equation R $$\mathbf { R } = \mathbf { C }$$ ound your answer to the
nearest whole unit.
-Walt made an extra $5000 by working a second job. He invested part of this money at 7% and the rest at 10%. If his annual return totaled $470, how much must he have invested at 10%?
A) $2500
B) $3000
C) $1000
D) $4000

Question

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The Answer of To find the number of units that gives break-even for the product, solve the equation R $$\mathbf { R } = \mathbf { C }$$ ound your answer to the
nearest whole unit.
-Walt made an extra $5000 by working a second job. He invested part of this money at 7% and the rest at 10%. If his annual return totaled $470, how much must he have invested at 10%?
A) $2500
B) $3000
C) $1000
D) $4000

To Find the Number of Units That Gives Break-Even for the Product