A=cost er adult ticket
c=cost per child ticket
2a+14c=96
12a+8c=120
solve
simplify by dividing firs equation by 2 and 2nd by 4
a+7c=48
3a+2c=30
multiply first equaiton by -3 and add to second
-3a-21c=-144
<u>3a+2c=30 +</u>
0a-19c=-114
-19c=-114
divide both sides by -19
x=6
sub back
a+7c=48
6+7c=48
minus 6
7c=42
divide 7
c=6
adult ticket=$6
child ticekt=$6
Answer:
25% of 140 is 35
Step-by-step explanation:
that's the answer for #3
8(-5) x 16(-1) =
-40 x -16 = -640
So the answer is -640
1+6=7
10.5/7=1.5
1x1.5=1.5
6x1.5=9
1.5 litres of plant food and 9 litres of water
Answer:
3x^5 - 4x^4 - 5x^3 + x^2 + 11x - 6
