Simplifying Expressions (7.EE.1)
Simplify:
7.8c+6p-3.4c+4.3p-10
4.4c+10.3p-10
Write a simplified expression for the area of a rectangle with a length of 6 and a width of 7f-8.
42f-48
s-2.3=0.46
s= 2.76
3x+12=48
x=12
A mom bought her kids 3 cartons of milk for $1.25 each and 6 doughnuts. The total cost was $6.93. How much was each doughnut?
$0.53
Simplify:
5(2c-5)
Write an expression for the perimeter of an equilateral triangle with a side length of 4r+19.
12r+57
f-3/4=1 1/2
f= 2 1/4
x/2 -8>18
x>52
Xavier needs to bike a minimum of 80 miles this week. If he has already biked 14 miles this week, then how many miles should he bike on each of the 6 remaining days this week?
11
Simplify:
5(b+6)-3b
2b+30
Heather designs a t-shirt for her bowling team. The price of each shirt (with the logo) is t dollars, and the sales tax rate is 6%. Write two expressions that Heather can use to represent the cost of one t-shirt.
t+0.06t
1.06t
y / -0.23 <12
y>-2.76
-6x-10=20
x=-5
A home improvement store advertises 60 square feet of flooring for $287.00 plus an $80.00 installation fee. How much does each square feet of flooring cost?
$6.12
Simplify:
9a-2(a-3)
7a+6
Ashley gets a 5.5% discount on all drinks at Starbucks. Each drink costs v dollars. Write two expressions that represent the cost for one drink for Ashley at Starbucks.
v+0.055v
0.945v
10 = -9-x
x= -19
-3x-12<45
x>-19
Emily is encouraged to read more than 4 hours each week. It takes her 45 minutes to finish her first book. She divides the remainder of her time equally amongst the other six days. What is the minimum number of minutes she should read each day?
33 minutes
Simplify:
8y-1/2(4y-16)
6y+8
Write two expressions that represent the perimeter of a rectangle with a length of x+2 and a width of 2x-3.
2(x+2) + 2(2x-3)
6x-2
15.5w>-77.5
w>-5
5(b+6)=20
b= -2
The width of a rectangle is 5 less than 4 times its length. The perimeter is 70 feet. Find the dimensions of the rectangle.
width= 27 feet
length= 8 feet