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

Isabella deposited $500 into a savings account at a local bank that earned 5% interest per year. How much interest does she earn in her first year?

How can you explain the widespread acceptance of racist theories in Germany

Help with number one plsssssss. It should be in a complete sentence (like the model), and the red underlined part is wrong.

What is the perimeter of parallelogram ABDC? 14 cm 13 cm 12 cm 11 cm

When the earth hold onto heat and releases it into the air it’s called

Does this look. good? Don't read it all if you don't want to

what is one major factor specialization on an economy

Determine if the sequence is arithmetic. If it is, find the common difference.

The unique identifier for each record in a database table is called the A. Record Id B. Id number C. Primary key D. Row number

explain how WW2 was connected to WW1