Sam’s parents agreed to pay 25 percent of the cost of a new bike if Sam paid the rest. Percents Total 25% 25% 25% 25% 100% $65 $65 $65 $65 If Sam’s parents paid $65, what was the price of Sam’s new bike? $130 $195 $260 $325

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

Don't know how to find x given these segment lengths

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.