You're planning to buy a boat, a motor, and some miscellaneous boating equipment. The boat is $325, the motor costs $225, and the equipment costs $79. If you've saved $438 toward these how much more do you need to save?

1 Answer
Mar 12, 2018

You need to save $191 more.

Explanation:

First find your total costs

color(white)(mm)$325 . . . . Boat
color(white)(mm)$225 . . . . Motor
+color(white)(nn)$   79 . . . . Equipment
color(white)((m)―――
color(white)(mm) $629 . . . . Total costs

Now find the difference between costs and savings

Total costs . . . . . . . $629
Minus savings . . - $438
color(white)((mmmmmmm.)―――
Amount needed . . .$191 larr answer

color(white)((mmmmmm)―――――――

Check

Your savings plus the amount you still need should add up to the total costs.

Total costs

Boat . . . . . . . . . . . . $ 325
Motor . . . . . . . . . . ..$ 225
Equipment . . . . . . .$   79
color(white)((mm..mmmm)――――
Amount needed . . $ 629  ✓

color(white)((mmmmmm)―――――――
Total needed

Amount saved . . . .$ 438
Still needed . . . . . . $ 191
color(white)((mmm.mmmm)――――
Amount needed . . $ 629  ✓

Check