Write a real-world problem that could be represented by the following equation.
70 + 5x = 40 + 10x

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Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?