Answer: x=2 and y=−6
Step-by-step explanation: 2x+y=−2, 5x+3y=−8
2x+y=−2
2x+y+−2x=−2+−2x
y=−2x−2
5x+3y=−8
5x+3(−2x−2)=−8
−x−6+6=−8+6
−x=−2
−x
/−1
=
−2
/−1
x=2
y=−2x−2
y=(−2)(2)−2
y=−6
x=2 and y=−6
there is 128 fluid ounces per gallon so 1.5 gallons = 1.5 x 128 = 192 fluid ounces
Scotts cap holds 3 ounces so 192/3 = 64
Nikkis cap holds 4 ounces so 192/4 = 48
64-48 = 16 more caps for Scott
By rounding off the first number which would be place value of thousands place
well, take a peek at the cos(2θ) identities.
