91Ó°ÊÓ

Solve inequality. Write the solution set in interval notation, and graph it. \(-0.02 x \leq 0.06\)

Solve each problem. The length of a rectangle is 9 in. more than the width. The perimeter is 54 in. Find the length and the width of the rectangle.

Solve each problem. The longest side of a triangle is 3 in. longer than the shortest side. The medium side is 2 in. longer than the shortest side. If the perimeter of the triangle is 20 in., what are the lengths of the three sides?

Solve each equation, and check your solution. $$ 1.4 x-3=0.4 x $$

When the lesser of two consecutive integers is added to three times the greater, the result is 43. Find the integers.

Two steamers leave a port on a river at the same time, traveling in opposite directions. Each is traveling at 22 mph. How long will it take for them to be 110 mi apart?

Solve each equation, and check your solution. $$ 1.2 y-4=0.2 y-4 $$

If the sum of three consecutive even integers is \(60,\) what is the first of the three even integers? (Hint: If \(x\) and \(x+2\) represent the first two consecutive even integers, how would you represent the third consecutive even integer?

Solve each equation, and check your solution. $$ 0.3(30)+0.15 x=0.2(30+x) $$

Two cars start from towns 400 mi apart and travel toward each other. They meet after 4 hr. Find the rate of each car if one travels 20 mph faster than the other.