Question

A number R is one-fourth of another number Q. If 280 is added to R it will become twice of Q.
Calculate original R+Q



0230
O 200
O270
0 260​

Answer 1

Answer:

R= 1/4Q

ATQ:

R+280= 2Q

1/4Q+ 280= 2Q

280= 2Q- 1/4Q

280= 8Q-1Q/4

280= 7/4Q

280×4/7= Q

40×4= Q

160= Q

R= 1/4Q

= 1/4× 160

= 40

R+Q:

40+ 160

= 200

Hope it helps you.

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