Question

There are c amount in a box . 11 of the counters are green. Benedict take 20 counters at random from the box. 4 of these counters are green. Work out the estimate for the value of c.

Answer 1

Answer:

There are total 55 counters out of which 11 are green and 44 are other color.

Step-by-step explanation:

This is a ratio and proportion question. There are c amount of counters in the  box .

The chosen have the same ratio as in the box

Green : total

4:         20

11:          x

Using cross product rule

x * 4= 20 *11

x= 20*11/4

x= 55

So there are total 55 counters out of which 11 are green and 44 are other color.

Benedict take 20 counters out of which 4 are green.

Answer 2

Total number of counters are 55 in which 11 counters are green and 44 counters are other color.

Ratio and proportion:

There are c amount in a box.

11 of the counters are green.

We have to find number of counters.

                  $\frac{c}{11}=\frac{20}{4}\\ \\ 4*c=20*11\\\\c=\frac{20*11}{4}\\ \\c=55$

Hence, total number of counters are 55 in which 11 counters are green and 44 counters are other color.

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