Question

the height of a student increases in the ratio 2:3 . the height at present is 140 cm what is the new height​

Answer 1

Answer:

210cm

Step-by-step explanation:

let the height be 2x and 3x respectively

2/3=140/a

3×140=2×a

420=2a

a=420/2

a=210cm.

the new height is 210cm.......

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