Order of Operations
Simplify: 42−2+3×2
20
9/25 x 125/3
15
A bag contains 5 red, 3 blue, and 2 green marbles. What is the probability of picking a blue marble?
3/10
What is 15% of 1000?
150
What is 3/8 of 72 cars?
27
Solve (-2)^3 + 3 - (-3)^2
-14
9/25 ÷ 3/5
3/5
A student survey shows 12 students use laptops, 8 use tablets, and 5 use both. If a student is chosen at random, what is the probability they use only laptops?
7/15
A washing machine was bought at $300. If we want to make a profit of 20%, what price should we sell it at?
We should sell the washing machine at $360.
You sold 60 cupcakes. 25% were chocolate. How many were chocolate?
15
Solve 2^3 + 6 / 2 - (7-4)^0
10
True of False: 1/3 = 0.3
False
A bag contains 2 red and 1 green ball. You draw a ball, replace it, and draw again.
What is the probability of getting:
(a) two red balls?
4/9
A salesperson earns 15% commission on $2460. What is the commission earned?
The commission earned is $369.
As engineering students, we want to measure how long of a road we need to build. If there are 9 street lamps and they are 15m apart, what is the total distance to cover from the start of the first street lamp up till the last?
120
200x4 - 100((4/2x8+6x1236789)^0)
700
55/100 x 20/11 ÷ 7/28
4
A coin is flipped, then a 4-sided spinner numbered 1–4 is spun.
What is the probability of:
(a) Getting heads and spinning a 1?
1/8
Sasha works as a salesperson and earns a $500 retainer / base salary each week, plus 12% commission on her total sales. One week, she made $3,000 in sales.
How much did she earn in total that week?
She made $860 in total that week.
A train travels at an average speed of 80 km/h.
How long will it take to travel 240 km?
3 hours.
0.2*5 + 9/3 - 2.5
1.5
A baker cuts a cake into 6 equal slices. What is the decimal of one slice? (Correct to 4 decimal places.)
0.1667
A box has 3 blue pens and 1 black pen. Two pens are picked without replacement.
What is the probability that:
(a) Both pens are blue?
3/4 x 2/3 = 1/2
A store sells a jacket for $84 after giving a 30% discount.
What was the original price of the jacket before the discount?
The original price of the jacket was $120.
A bike originally costs $450. It is on 25% discount during a sale.
What is the sale price of the bike?
The sale price of the bike is $337.50.