7 and 21 I believe, hope you get it right
Hi Lurch
1/2 divide by 5/8
1/2÷5/8
1/2*8/5 (multiply numerator together and denominator together )
8/10 ( divide the numerator by 2 and same for the denominator )
4/5
I hope that's help , please if you have question(s) ask !
8.91x10^4 should be the answer.
