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?

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

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

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.