Divide 4,200 by a multiple of 10 so that the quotient is also a multiple of 10

The required number which is a multiple of 10 is 20.

Step-by-step explanation:

1. We have to divide 4200 by a number that is a multiple of 10.

Let us assume that the number is 20, which is a multiple of 10.

Now, after division, the quotient will be .

2. We have to check whether the quotient is multiple of 10 or not.

Here, the quotient is 210 which is a multiple of 10.

Hence, the required number which is a multiple of 10 is 20. (Answer)

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distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

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step-by-step explanation: