Question

ice cream beans are selling for $10 per pound and durians are selling for $9 per pound. If the market sold a total of $196 worth of durians and ice cream beans yesterday, and it sold 11 pounds of durian, which of the following is a good estimation of the total pounds of ice cream bean sold?

Answer 1

[196-(11*9)]/10=9.7 pounds

Answer 2

A good estimation would be 10 pounds.

Explanation:

Givens

• Ice cream beans costs $10 per pound.
• Durians costs $9 per pound.
• The market sold a total of $196 worth of durians and ice cream beans.
• The market sold 11 pounds of durian.

Let's be
`b` ice cream beans and
`d` durians.

The problem can be modeled by the equation

`10b+9d=196`

Where
`d=11`

Then, we solve for
`b`

`10b+9(11)=196\\10b+99=196\\10b=196-99\\b=(97)/(10) \\b = 9.7`

Therefore, the market sold 9.7 pounds of ice cream beans. So, a good estimation would 10 pounds.