Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?

A. 5 : 1

B. 10 : 5

C. 15 : 2

D. 20 : 2

E. 25 : 2

Eighth grade AA. 8 Solve a system of equations using substitution clouds Solve using substitution. 4x + 7y = 9 y = 3 (,) Submit

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