Mr Steve bought cans of soft drink for $0.55 each and sold them to the year 8 students for $2.50 each from a classroom. Calculate the percentage profit Mr Steve made.

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On Black Friday, everything is 20% off at Best Buy. Which expression best represents how much an item would cost after the discount?

What is 3.45 (4) - 8.18 (1)

Write the set described below into set-builder notation: S is the set of real numbers that are less than 15 A:0 < s < 15 B: s < 15 C: s D: (s | s - 15 < s < 15}

A plumber has a 9/4 metre length of copper piping. a) He uses 2/3 of this for a job. What length of pipe is left? b) For another job he needs 1/8 of a metre of piping. He cuts this length from the pipe left over from the first job.

Isabel divided 32 by 8 and got 4. She says that if she divides 32 by 4, the quotient will be greater than 4. Is she correct? Explain.

Tomas has two boxes to be shipped. One box weighs 3 / text{ kilograms}3 kilograms3, start text, space, k, i, l, o, g, r, a, m, s, end text. The other box weighs 720 / text{ grams}720 grams720, start text, space, g, r, a, m, s, end text.

Paige saw 142 tourists in July. August, and September. She saw 32 tourists in July and 89 tourists in August. How many did Paige see in September

Equivalent expression 3p+12m+8

The value of the expression 6+5 (3) / 4-10is

Drive-in movies were popular in the 1930s and 1940s. In 1933, there were 100 drive-in theater in the U. S by 1945 there were 2200. What was the percent of increase from 1933 to 1945?