Question

Chee and her children went into a grocery store and she bought $12worth of bananas and mangos. Each banana costs $0.50 and eachmango costs $2. She bought twice as many bananas as mangos.How many bananas did she buy? How many mangos did she buy?

Answer 1

EXPLANATION :

The banana costs $0.50 and the mango costs $2.

Let B = the number of bananas

M = the number of mangos

She bought twice as many bananas as mangos.

So B = 2M

The total cost of bananas and mangoes is $12

Then :

$\begin{gathered} \ 0.50B+\ 2M=\ 12 \\ \ 0.50(2M)+\ 2M=\ 12 \\ M+2M=12 \\ 3M=12 \\ M=\frac{12}{3}=4 \end{gathered}$

Since M = 4, B will be :

B = 2M

B = 2(4) = 8

ANSWER :

The number of bananas is 8 and the number of mangoes is 4.