Equivalent Expressions
Simplify: 4(x+3) Show your work
4x + 12
Solve for x: x+15=40. Show your work
Translate: A number "n" is at least 10.
n≥10
What is 10% of 50?
5
You earn $8 an hour. Write an expression for your pay after h hours.
8h
Are 3x + 6 and 3(x+2) equivalent? Explain
Yes
Solve for y: 4y=48. Show your work
y=12
Translate: You must be younger than 12 to order from the kids' menu. (let a=age).
a<12
A $20 shirt is marked down 25%. What is the discount amount?
$5
A mechanic charges a $50 flat fee plus $30 per hour. Write an equation for a total bill (t) based on hours (h).
t=30h+50
Simplify: 5(2m-1)+4 Show your work
10m-1
Solve for k: 2k-7=11. Show your work.
k=9
Solve for x: 3x>15
x>15
A town's population of 1,00 grows by 5%. What is the new population?
1,050
You have $20. Snacks cost $3 each. Write an inequality for how many snacks (s) you can buy.
3s≤20
Find the perimeter of a square with a side length of 2.5y. Show your work.
10y
Solve for m: 1/2m+5=15. Show your work.
m=20
Solve for y: y-8≤20
y≤28
A $50 video game is on sale for 20% off. What is the sale price?
$40
A book originally had 400 pages. The author removed 15% of the pages. How many pages are left?
340
Simplify: 4(2x+3)-2(x-5)
6x+22
Solve for w: 3(w-4)=27. Show your work.
w=13
Solve for x: 2x+5≥17.
x≥6
A restaurant bill is $40. I you leave a 15% tip, what is the total cost?
$46
A TV cost $300. With a 6% sales tax, what is the total price?
$318