Question 713696
LET X= THE NUMBER OF TENS.
LET 2X IS THE NUMBER OF FIVES.
10X+5*2X=700
10X+10X=700
20X=700
X=700/20
X=35 TENS.
2*35=70 FIVES.
PROOF:
10*35+5*70=700
350+350=700
700=700