Expressions
Simplify the expression
3(2x-3)
6x-9
2x+8=14
x=3
The bill at a pizza restaurant is $42.50 before tip. Tip is 18% of the bill.
What is the tip amount?
$7.65
List the rules for all Proportional graphs
1) start at the origin
2) straight diagonal line
True or False
y=3x+2 is Proportional
False
Factor the expression
27x - 9y
9(3x - y)
-3x-12=18
x=-10
A couple spends $89.50 at a café before tip. They leave a 22% tip.
What is the total cost including tip?
$109.19
What is the Konstant in y=3/4x
3/4
Mr. Lopez bought x notebooks for his class.
Write an equation to represent the problem above.
58.50=6x+4.50
Simplify the expression
2x-4-5x+7
-3x+3
4(x+6)=44
x=5
Emma bought a laptop for x dollars. After one year, the value of the laptop decreased by 15%.
Which expression represents the value of the laptop after the decrease?
A)0.15x C) x-15
B)0.85x D)x-0.15
B
A gardener plants 6 flowers in 2/3 hour.
At what rate, in flowers per hour, does the gardener plant?
9 flowers per hour
Lena and Marcus each went for a jog once a day for 5 days.
At the end of 5 days, how much farther did Lena run than Marcus?
5/6 Miles
-2(x-3)+3(3x+4)
7x+18
five friends went to a concert. Each ticket cost the same amount. Each person also paid $5.75 for parking. The total cost was $71.25.
What was the price of each ticket?
13.10 per ticket
A diner’s breakfast costs $24.80. They leave a 25% tip after tax. Tax was 8%.
What is the total bill including tip?
$33.48
John ran 3 1/2 of a mile in 1 1/4 of an hour. How far can John run in one hour?
2 4/5 Miles per Hour
Three friends went bowling. Each person paid the same amount for shoe rental. Each person also bought a drink for $4.25. The group spent a total of $39.75.
What was the cost of each shoe rental?
Write an equation and solve it.
39.75=3(4.25+s)
s=9
An equilateral triangle has side lengths of 12x-5
What is the perimeter of the triangle?
36x-15
Jack and 3 friends all buy popcorn and soda at the movies, the popcorn was $6.50 each, the soda was all the same price. They paid a total of $56.00. How much was each soda?
write and solve an equation.
56=4(6.5+s)
s=7.5
$7.50 per soda
The lunch bill for three friends is $36.50. they have a coupon for 20% off the bill.They then had to pay 7.5% tax on the discount.
What is the total amount paid for lunch?
$31.39
Bella makes 6 2/3 bracelets in 1 1/5 hours. How many bracelets does she make in 2 hours?
11 1/9 bracelets in 2 hours
A salon offers two services:
If a customer purchases both services, they receive a 20% discount.
What is the total price after the discount?
$32.00