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Popolare Word Problems >

the sum of eight times a number and fifteen is seven.

Soluzione

t h e s u m o f e i g h t t im es a n u mb er an d f i f t ee n i s se v e n .

Soluzione

The number : - 1

Fasi della soluzione

Represent the number with

x

A.T.Q.:

8 x + 15 = 7

Risolvi per

x, 8 x + 15 = 7 : x = - 1

The number : - 1

Esempi popolari

Two airplanes leave Chicago's Midway airport at the same time, traveling in opposite directions. One travels 25 miles per hour faster than the other. After 2 hours, they are 490 miles apart. find the speed of the faster airplane.Question 7 How much should I invest now into an account paying 4% p.a. compounded interest if I want the investment to have a value of K20 000 in 2 years, time? (2marks)Half of a number,two increased by the product of a number and 8 is less than 19 Harold deposited 70 in an account earning 5% interest compounded annually.To the nearest cent, how much interest will he earn in 2 years?