What is the value of the expression below?

two fifths ÷ six sevenths

A.
twelve over thirty-five

B.
seven over fifteen

C.
fifteen over seven

To divide two fractions, we multiply the first fraction by the reciprocal of the second fraction. In this case, we have:

2/5 ÷ 6/7 = 2/5 x 7/6

Simplifying this expression, we get:

2/5 x 7/6 = 14/30 = 7/15

Therefore, the value of the expression is option B, seven over fifteen.