Respuesta :
She could finish 2 puzzles
5/5=1 hr
2/5 each hr
so multiply....
2/5 x 5/5
you simplify, crossing out the 5 in the denominator and the 5 in the numerator
then you get..
2/1, which equals 2
5/5=1 hr
2/5 each hr
so multiply....
2/5 x 5/5
you simplify, crossing out the 5 in the denominator and the 5 in the numerator
then you get..
2/1, which equals 2