Bob sold 17 ribbons altogether. Each blue ribbon was 1.7 m long. Each green ribbon was 2.3 m long. The total length of the ribbons that he sold was 31.9 m. How many blue ribbons and green ribbons did he sell?

i can't see the picture : /

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

answer: the is put the 450

step-by-step explanation: