channerywong channerywong

18-05-2020
Mathematics

contestada

Mark is 4 years older than his brother Mike. If the sum of their ages is 20 how old are they now?

Respuesta :

harini12 harini12

18-05-2020

x + x + 4 = 20

x + x = 16

16 / 2 = 8

Mike is 8, and Mark is 12.

Answer Link

Otras preguntas

How much kinetic energy does a 7.2-kg dog need to make a vertical jump of 1.2 m? the acceleration due to gravity is 9.8m / s^2

the library sells 376 books at its annual used-book fundraiser. They take in a total of $2120. Childrens books cost $4, and adults books cost $7. How many child

how do i Subtract and simplify: (11x2 + 7) – (6x2 + 3x – 3)

The ratio of Sam's age to Hank's age is 5 to 3. If the sum of their ages is 24, how old is Hank?

Explain how to use the distributive property to compute104x57

Can someone help me with this question I don't know how to subtract a whole number by a fraction

how do u simplify 15x^4 y^2 over 40x^3 y^2

Three straight lines have exactly two points of intersection. Complete the sentence below. Two of the lines must be ....

The expression b/c=b/c is an example of a(n)?

Is 3/10 closer to 0,1/2 or 1