Proportion 3

For every 8 mango trees in the orchard, there are 4-star apple trees. If there are 1320 trees, how many trees of each kind are there?

Correct answer:

m =  880
a =  440

Step-by-step explanation:

$$\begin{gathered} t=m+a \\ m:a=8:4 \\ t=1320 \\ m=t\cdot {\displaystyle \frac{8}{8+4}}=1320\cdot {\displaystyle \frac{8}{8+4}}=880 \end{gathered}$$

$a=t\cdot {\displaystyle \frac{4}{8+4}}=1320\cdot {\displaystyle \frac{4}{8+4}}=440$

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