clementdomi002 clementdomi002

14-02-2021
Mathematics

contestada

A and B are friends and their ages differ by 4 years, A being the elder. A's father D, is twice as old as A, and B is twice as old as his sister C. The age of D and and C differ by 38 years. Find the ages of A and B.

Respuesta :

14-02-2021

Answer:

Step-by-step explanation:

A = B+4

D = 2A

B = 2C

D-C = 38

2A - B/2 = 38

2(B+4) - B/2 = 38

4B+16 - B = 79

3B = 63

B = 21

A = B+4 = 25

Answer Link

Otras preguntas

The paved area is a square with sides 2 m long. The paving stones for this area are squares that measure 50 cm by 50 cm How many paving stones are needed?

what is arcenic? Who can tell me!

The difference between two numbers is 567323.if the bigger number is 654446 what is the smaller number

Two supplementary angles are in the ratio of 5 to 7. Find positive difference of the measure of the two angles. Do the same problem, only do it for complementar

Copy and complete these equations plz I’ll give brainliest

8.EE.8 help please!!!!!

Why does brutus need to get gold from cassius rather than raising it himself

Find the circumference for the circle below. Round your answer to the nearest tenth radius = 17

please help me i dont know this one

I need help ASAP pleaseeeeee