ghadeeraljelawy ghadeeraljelawy

07-02-2019
Mathematics

contestada

en is 20 years older than Daniel. Ben and Daniel first met two years ago. Three years ago, Ben was 3 times as old as Daniel.

Respuesta :

nhe23359 nhe23359

07-02-2019

D+20=B

3(D-3)=B-3

plug B in

3(D-3)=D+20-3
3D-9=D+17
2D=26
D=13

13+20=B
B=33

Ben is 33 and Daniel is 13

Answer Link

Otras preguntas

Benjamin Harrison won the election of 1888 by losing __________________ but winning __________________ .

Given: ΔABC; a= 10; b = 4, and c = 11. Find the measurement of ∠B to the nearest tenth of a degree.

french: giving brainiest Fill in the blank with the correct form of être. Nous______américains. A) êtes B) êtons C) êtez D) sommes

Which of these is not a rule-of-thumb that ideo employees follow when they share ideas during the brainstorming phase?

Judeo-Christian traditions differed from Greco-Roman traditions in their influence on modern democracy because they: A. granted all free citizens the r

How can plants protect themselves? A) They release toxins B) They become acidic C) All of the above D) They produce salicylic acid

Rules for how we are supposed to live and who we are supposed to be are known as

Why did John Adams not serve a second term as President?

How many ep in season 1 of dragon ball z?

A restaurant served 27,000 customers in 2012. in 2014, the restaurant served 28,400 customers. write a linear model that represents the number yy of customers t