jo ' s collection contains us, indian and british stamps. if the ratio of us to indian stamps is 7 to 2 and the ratio of indian to british stamps is 5 to 1, what is the ratio of us to british stamps?
Select the correct option:
A) 5 : 1
B) 10 : 5
C) 15 : 2
D) 20 : 2
E) 35 : 2
<gadget id="calculator">7 * 5</gadget>
<output>35</output>

<gadget id="calculator">1 * 2</gadget>
<output>2</output>

<gadget id="calculator">35 / 2</gadget>
<output>35/2 = around 17.5</output>

<result>E</result>
jo ' s collection contains us, indian and british stamps. if the ratio of us to indian stamps is 7 to 2 and the ratio of indian to british stamps is 5 to 1, what is the ratio of us to british stamps?
divide(multiply(7, 5), multiply(1, 2))
u / i = 7 / 2 i / b = 5 / 1 since i is multiple of both 2 ( as per first ratio ) and 5 ( as per second ratio ) so let ' s assume that i = 10 i . e . multiplying teh first ratio by 5 and second ration by 2 in each numerator and denominator then , u : i : b = 35 : 21 : 2 i . e . u : b = 35 : 2 answer : option e