Answer:
8x^2+19x
Step-by-step explanation:
Simplify the expression by combining like terms. Terms which look a like and sound a like should be added together.
3x^2+7x+3+5x^2+12x
x^2 terms: 3x^2+5x^2=8x^2
x terms: 7x+12x=19x
constants: 3
Together is is 8x^2+19x+3.
Do the following:
$8.40-$7.15=$1.25
Then divide 1.25 by the difference of tickets which is 3
1.25/3=0.42 (that's rounded to nearest cent)
Answer:
1/3
Step-by-step explanation:
Find how much 1 box costs by dividing.
9 ÷ 5 = 1.80
Now, multiply 1.80 by 20.
1.80 × 20 = 36
<h2>Answer:</h2>
<u>20 boxes of cookies costs </u><u>$36</u><u>.</u>