GCF/LCM/Exponents
Determine the Greatest Common Factor of the numbers 56 and 84.
28
1/3 X 2/4 =
1/6
3 X (6+2) =
24
What is 45% of 500 students?
225 students
Maya's office is on the 16th floor. She is having a meeting in her office and must go down 5 floors for her first meeting. Then must go up 8 floors to grab a coffee. To finally go to the cafeteria that is on the first floor. How many flights of stairs did she descend to get to the cafeteria?
18 flights of stairs
Determine the Least Common Multiple of the numbers 8, 7 and 2.
56
3/4 divided by 4/7
21/16
5(-5+6) X 62 =
180
What is 47% of 19?
8.93
To clear his stock, a shopkeeper offers a discount of 15%. Find the discount on goods worth 500$.
75$
Write the following product using Exponential Notation: (9)(9)(9)(9)(9) =
95
2/6 X 7 =
7/3
(2 X 82)+(22X-3)2 =
272
60% of 550 students have Iphones. How many students have Androids?
220 students
Out of 3500 students of a school, 76% passed the Mathematics Unit Test. Find out how many students failed.
840 students
Calculate the following subtraction: 53 - 62 =
89
2/3 + 6/8 =
17/12 or 1 5/12
-72 - (48 - 42) + 2(-3)2 =
-86
There were 80 employees in a company last year. This year, the number of employees increased by 15%. How many employees are in the company this year?
92 employees
A chef starts with 300 pounds of potatoes. While peeling them, 22% of the potatoes are thrown away. After that, cooking causes another 7% loss of the remaining potatoes. How many pounds of potatoes does the chef have left in the end?
217.62 pounds of potatoes
Gabriel has a collection of 330 Pokemon cards. He sells one third of his collection one day and one quarter of the remaining cards the next day. How many Pokemon cards does he have left?
165
3/4 - 2/11 =
4(4 - 7)2-(4 X -6) =
60
Bradley has $22 in his wallet. If this is 8% of his monthly salary, what is his yearly salary?
$3300
A winter jacket originally costs $180. During a sale, the store offers 25% off, but after the discount, a 13% sales tax is added to the price.
After paying, Mia realizes she had a $20 gift card she forgot to use.
If Mia had used her gift card, how much less would she have paid in total?
(Show all steps and round to the nearest cent.)
$20 if the store applies the gift card after taxes
$22.60 if the store applies the gift card before taxes