Chapter 3: Problem 76
Evaluate the expression. $$5 \cdot(12-4)+7$$
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You earn 9 dollar per hour. On major holidays, such as Thanksgiving, you earn twice as much per hour. You earned a total of \(\$ 405\) for the week including Thanksgiving. Write and solve an equation to find how many hours you worked on Thanksgiving if you worked 35 hours during the rest of the week.
There are 4 times as many nickels as dimes in a coin bank. The coins have a total value of 600 cents (6.00 dollar) Find the number of nickels.
Evaluate the expression. $$\frac{(3-6)^{2}+6}{-5}$$
Solve the equation \(\frac{1}{9} x+1=4\) by following each sequence of steps described in parts (a) and (b). Which method do you prefer? Explain. a. Multiply and then subtract. \(\quad\) b. Subtract and then multiply.
Graph the numbers on a number line. Then write two inequalities that compare the two numbers. \(-1.8\) and \(-2\)
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