yfh4k92526 yfh4k92526

20-01-2022
Mathematics

contestada

Maria's brother, Joe, is three
years less than twice Maria's
age. Joe is 19 years old. How
old is Maria?

Respuesta :

23saaskesa 23saaskesa

20-01-2022

Answer:

Maria is 15

Step-by-step explanation:

J = 2M-3

J+M = 24 substitute for J:

2M-3+M = 24 regroup

2M+M-3 = 24

3M = 27

M = 9

and Joe = 2M-3 = 2(9)-3 = 18-3 = 15

Answer Link

Otras preguntas

Select the option no explanation needed

A glass contains alcohol and water in the ratio 1:4. A second glass contains the same quantity of liquid, but this time the ratio of alcohol to water is 2:3. Ea

Please help asap i need to turn everything in before 11:59

5 5/6 + 2 2/3 mixed number

There are x cats and y dogs in a section of a judging competition. The judges will not allow more than 20 animals in this section of the competition. A. Write a

A jet airplane reaches 892. KM/H on a certain flight. What does synthesis cover in 14.0 minutes? Set up the map but don’t do any of it just leave your answer as

If the price of a bicycle is increased by 9.09%, then by 8.33% and then by 7.7%, the price becomes Rs. 1,274. What is the original price of the bicycle?

What the question answer for question 44

134 A financial analyst believes that if interest rates decrease in a given period then the probability that the stock market will go up is 0.08. The analyst fu

4 quick algebra 1 questions for 50 points! Only answer if you know the answer, shout-out to subtomex0, tysm for the help!