Question

QII. Are the following rations in proportion
(a) 16 km : 80 km = 3.5 h : 16.5 h
(b) 20 toffees : 180 toffees = Rs 12 : Rs 108​

Answer 1

Answer:

$a) \: \: \: not \: in \: propotion. \\ \\ b) \: \: \: \: \: are \: in \: propotion.$

Step-by-step explanation:

$a) \: \: \: \: \: \frac{16 \: km}{80 \: km} = \frac{3.5 \: h}{16.5 \: h} \\ \\ \frac{1}{5} = \frac{7}{33} \\ \\ not \: in \: propotion. \\ \\ b) \: \: \: \: \: \frac{20 \: tofees}{180 \: \: \: tofees} = \frac{rupees \: 12}{rupees \: 108} \\ \\ \frac{1}{9} = \frac{1}{9} \\ \\ are \: in \: propotion.$