tanaykelly123453 tanaykelly123453

24-02-2022
Mathematics

contestada

Today, the sum of Alex's age and Maria's age is 54. 7 years ago Maria was 7 times older than Alex.
Part A: Enter Alex's age today.
Part B: Enter Maria's age today

Respuesta :

24-02-2022

7 years ago, the sum of their ages is 54 - 7 x 2 = 40

7 years ago, Alex's age was 40 : (7+1) x 7 = 35 years old (so Alex's age today is 42)

And Maria's age today is 54-42 = 12

Answer Link

Otras preguntas

a piggy bank contains d dimes n nickels and p pennies. write an expression for the total amount of money in the bank

Erica tells her partner that she found plastic prints at the crime scene. What did Erica MOST likely find?

Creating a Multimedia Presentation to Demonstrate Knowledge of Health Science Careers

Which region of fertile farmland attracted many settlers to Oregon?

Use your knowledge of chemical reactions, metals, and acids to determine which one of the following procedures is the LEAST hazardous? I WILL GIVE 100 POINTS PL

in a class of 24 students, 8 students did NOT check out a book from the library. What fraction of the students did check out a book?Write the fraction again in

What is reaping? Why do you think the Capital calls it this? Why is this ironic? Book- Hunger Games

In a scalene triangle, the longest side is 5 less than triple the short side, the medium side is two more than the short side, and the perimeter is 17. What are

Find the exact value of sin if the terminal side of O in standard position contains the point (-4,-3).

RIDDLE: I speak without a mouth and hear without ears. I have nobody, but I come alive with wind. What am I?