Lisa typed a 1000-word essay at an average rate of 20 words per minute.If she started typing at 6:20 p.m. and did not take any breaks, at what time did Lisa finish typing the essay?

Sara can ride her bicycle 3 miles in15 minutes. At this rate, how many miles can she ride her bicycle in50 minutes?

Stephanie is reading a 456-page book.During the past 7 days she has read168 pages. If she continues reading at the same rate, how many more days will it take her to complete the book?

Robert s toy car travels at 40 centimeters per second (cm/sec) at high speed and15 cm/sec at low speed. If the car travels for 15 seconds at high speed and then30 seconds at low speed, what distance w

The owner of an apple orchard ships apples in boxes that weigh 2 kilograms(kg) when empty. The average apple weighs 0.25 kg, and the total weight of a box filled with apples is 12 kg. How many apples

A circular plot is to be shared among 4 individuals , in the proportion, x,x+2,3x and x-2.George was given x square meters .If the area of the firm is 300 square meter. find George’s portion.

What type of math should I study when trying to pass the High School Equivalency Test? I’ve taken the test twice now and failed the math portion.

The distance between two towns X and Y is f km . A van moves with a speed of 60 km/ h and takes 3 hrs to reach Y from X. find f

evaluate each function at the indicated values of the independent variable and simplify the result 1. f(x)= 9-6x a. f(-1) b. f(1) c. f ( -3 + x)

What is differential equations? Please show with an example.