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

jens motorboat travels at a speed of 15mph in still water, the river flows at a speed of 2pmh, how long will it take jen to travel 20mi upstream? 20mi downstrea

what is the major assumption underlying in the first sentence of The Declaration of Independence

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position?

record the product. use expanded form to help.4x21=

The tail of a kite is 1.5 feet plus twice the length of the kite. Together, the kite and the tail are 15 feet 6 inches long. What is the length of the tail?

What is natural transmutation?

6. What is a polyatomic ion? (You should also memorize the name, formula, and charge of the polyatomic ions listed in the lecture materials)

what is 6 added to twice a number is equal to negative 8

Cedar Point Amusement Park charges $51.99 for an adult admission and $26.99 for a junior admission. One Thursday, the park collected $15,591.40 from a total of

How do you spell baguette in French