Question

the ratio of red poms to yellow poms on a float is 5 to 7. if there are 392 yellow poms on the float, how many red poms are there? a. 549 b.390 c. 280 d. 56

Answer 1

`5:7=x:392 \\ \\ (5)/(7)=(x)/(392) \\ \\ x=(5*392)/(7) \\ \\ x=5*56 \\ \\ \boxed{x=280 \ red \ poems}`