adrigie4cze adrigie4cze

01-10-2016
Mathematics

contestada

Today, the sum of the ages of Bea and her sister is 18. What would be the sum of their ages next year?

Respuesta :

01-10-2016

Hello,

Let's assume a the age of Bea
b the age of her sister

This year: a+b=18

Next year (a+1)+(b+1)=(a+b)+(1+1)=(a+b)+2=18+2=20

Answer Link

apologiabiology apologiabiology

01-10-2016

b=bea's age

sister+b=18
next years, both grew 1
sister+1+b+1=18+1+1=20

sum is 20

Answer Link

Otras preguntas

What is the concentration of H+ ions in a solution of HCL that was prepared by diluting 35.O mL of concentrated (11.6 M) HCl to a final volume of 500 mL

What important precedent was established in the decision delivered by Chief Justice Marshall in McCulloch v. Maryland? A. This decision limited a president t

In Oceania and Australasia, what are some reasons native species face extinction?

Which of the following statements about Odysseus’ raft journey to Phaeacia is FALSE?

Larry has a clay brick that is 7 inches long, 5.5 inches wide, and 2.75 inches thick, the same size as the gold stored in a vault in the form of gold bars. Find

In the last years of the 20th century, immigrants into the united states were most likely to come from?

Write a sentence in Spanish describing a doctor using the verb ser and two adjectives.

Select all that apply. Ground water pollution can be caused by _____. chemical spills road salt pesticides fertilizers

Analiza morfologica a cuvintelor : copiilor , se amestecau

What countries were on the axis and who were the allies? be sure to name all the major countries.