Answer:
16 nickels and 20 dimes
Step-by-step explanation:
16x5=80
20x10=200
80+200=280
280 cents = $2.80
Answer:
x=-15, y=25. (-15, 25).
Step-by-step explanation:
2x+3y=45
x+y=10
--------------
x=10-y
2(10-y)+3y=45
20-2y+3y=45
20+y=45
y=45-20
y=25
x+25=10
x=10-25
x=-15
He would need 11.1 gallons of gas if he was/would drive 296 miles.
12 divided by 320 = .0375
.0375 x 296 = 11.1 Gallons of Gas needed to drive the distance.
25.2:360 ::x:5100
Or 25.2 x ------=----- then cross multiply, 360x=5100*25.2
