Lanre51 Lanre51

13-04-2018
Mathematics

contestada

Jim is 8 years younger than Tim. Simon is 5 times as old as Tim. The sum of their age is 55. How old are each if them?

Respuesta :

mkryukova19 mkryukova19

13-04-2018

J=T-8
S=5*T

T+J+S=55
T+T-8+5T=55
7T=55+8
7T=63
T=63/7=9 Tim- 9
J=T-8= 9-8=1 Jim - 1
S=5*T=5*9=45 Simon- 45

Check (9+1+45=55)

Answer Link

Otras preguntas

How much heat is needed to raise the temperature of 5.58 kilograms of iron from 20.0 Celsius to 1000.0 Celsius? Specific heat of iron is 450,000 J/(kgx Celsius)

What is the length of ? Round to the nearest tenth. hurry please

the price of an item is reduced 70% the original price $90 what is the price now?

By 1947, the intense rivalry between the soviet union and the united states was being called:

Anythnig that people accept as representing something else is called a

what is the process of removing -H and -OH in order to bond together called

Frederick is working on a number puzzle and discovers that the product of the two base numbers is exactly twice as large as the sum of those same base numbers.

Monogamy refers to a form of marriage in which:

"what is south korea's opportunity cost of producing one digital camera"

Find the exact value for cos π 12 applying sum and difference formulas involving π 3 and π 4 .