Answer:
3). 1.21
4). 0.57
Step-by-step explanation:
Quarter = 25 cents
Nickel = 5 cents
Penny = 1 cent
Simplified
2/5y + 1/5x - 413/50
or
0.4y + 0.2 x - 8.26
3t - 2 =-11
3t = -11+2
3t= 9
divide both sides by 3
t = -3