Answer:
The first first in solving for x is do the distributive property to the left and right of the eqaution. Distribute 2 with 6x and 6. Distribute 3 with x and -4.
Step-by-step explanation:
PEMDAS states that you do things in the parenthesis first.
12.65+21.55=34.20
34.20*.15=5.13
.15 is the percentage of the tip they pay in decimal form in order to multiply it on a calculator.
Answer is $5.13
Let C be Clowns R Fun charge for b balloons and S be Singing Balloons charge.
C=6+1.25b and S=2+1.95b. C must be less than S.
6+1.25b<2+1.95b, 4<0.7b, b>4/0.7, b>40/7, b>5. So Mrs Travis needs to purchase more than 5 balloons.