Math, asked by anamdevipilla, 1 year ago

If PQ:QR = 1:2 and QR:RS = 8:5 then what is PQ:RS?

Answers

Answered by riyasheji

2

PQ: QR =1:2
2PQ= QR

QR: RS= 8:5
5QR= 8RS
5(2PQ) = 8RS
10PQ= 8 RS
PQ/RS =8/10
=4/5
So, PQ:RS = 4:5

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