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

Angie takes a random sample of 100 students in her school and finds that 58% of the sample prefers art over music. There are 1,200 students in the school. Based

is a centimeter one tenth or one hundredth or a meter

In which sentence does the prepositional phrase act as an adverb? A. Last evening, Anne suffered from a headache. B. The door to the attic was left open. C. Mr

In which sentence does the prepositional phrase act as an adverb? A. Last evening, Anne suffered from a headache. B. The door to the attic was left open. C. Mr

Express the perimeter of the triangle as a polynomial. 8x+2 5x-4 9x+3

3+1/4x greater than 11

if a star is shown ti be 33.11 trillion killometers away , how many light year would that be

p(x) x^3+x^2-x-1 Find all zeros of p (x)

Angie takes a random sample of 100 students in her school and finds that 58% of the sample prefers art over music. There are 1,200 students in the school. Based

What was religion like in Shang China?