Question 44695
X+Y=11 & 5X+10Y=95 OR X=11-Y THUS 5(11-Y)+10Y=95 OR 55-5Y+10Y=95 OR 5Y=40 OR
Y=40/5 OR Y=8 THUS THERE ARE 8 DIMES FOR 80 CENTS THEN THERE ARE X+8=11 OR X=3 NICKELS FOR 15 CENTS FOR 80+15=95 OR 95=95.

10*X+20*2X=200 OR 10X+40X=200 OR 50X=200 OR X=200/50 OR X=4 TEN DOLLAR BILLS
THEN 2*4=8 20 DOLLAR BILLS
PROOF 4*10+8*20=200 OR 40+160=200 OR 200=200