Percents
What fraction is equivalent to 8%?
8/100 or 4/50 or 2/25
Determine the value when y=3
4y+y-2+10
23
True or False: Are the following expressions equivalent?
4y+y-2+10
8y-2y+8
False
(1/2)2
1/4
Helen needs to go to the store and buy 14 goldfish. All goldfish are the same price. Her total bill was $28. Write an equation that matches the word problem.
14x=28
or
28/14=x
Sara scored a 60% on a quiz. She got 15 questions correct. How many questions were on the quiz?
25 questions
Simplify: 12(2r+3)
24r+36
Which is equivalent to 4(x+4)? a. x+x+x+x+4
b. 4x+4
c. 2x+2x+16
c
24
16
Solve: 4x=12
x=3
A vacation costs $800, Jill has $48 saved so far. What percent of the vacation is saved?
6%
Simplify: 42+(13-4)•5+2
63
In the expression, 7a+5, 5 is the ___________.
constant
53
125
Solve: x÷3=12
x=36
20% of the 6th grade students walk to school, which is 40 students. How many students are in the 6th grade?
200 students
Sabrina works at happy box burgers and earns $8.50 per hour. What does her paycheck look like if she works 40 hours?
$340
True or False: 5y+25=5(y+4)
False
(2/3)2
4/9
Solve: x+10234=23784
x=13550
There is 875 people planning on celebrating the local school. 44% of the bake sale will be chocolate chip cookies. How many chocolate chip cookies will be made for 875 people in attendance?
385 cookies
Matt and his two friends went to the store and bought groceries. They split their bill equally. If each friend paid $90, what was the total bill?
$270
Write an equivalent expression for:
6y+y2-3y+4+5-1+y2
3y+2y2+8
(1/4)3
1/64
8x=34.4
x=4.3