What is 1/5 divide by 3/7 equivalent to? which one? 1/5 times 3/7 5/1 times 3/7 5/1 times 7/3 1/5 times 7/3

Hi there! In order to divide fractions, keep the first fraction the same, change division into multiplication, and flip the second fraction over. 1/5 * 7/3 is 7/15. D is the only one that has that multiplication problem correct and you can see that just by doing the things needed to divide the fraction. The answer is D.

4  x+9=13 X=4 subtract 9 from the 9 and 13 and 13-9 =4 so x=4