Question

solve these quickly please

Answer 1

$1. \: c \: is \: the \: right \: answer \: \\ 2.let \: no \: be \: x \\ aq. \: \: \frac{25}{100} \times x + 2 = \frac{15}{100} \times 40 \\ \frac{x}{4} + 2 = 6 \\ \frac{x}{4} = 4 \\ x = 16 \\ so \: no \: is \: 16$

Answer 2

Answer:

19). a). x

x/100 × y = y/100 × x

20). Let the no. be N so,

15/100 × 40 = 25/100 × N + 2

6 = N / 4 + 2

6 - 2 = N/ 4

4. = N /4

N = 4×4 = 16.

N = 16.

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