katilynguajardperq76 katilynguajardperq76

09-09-2018
Mathematics

contestada

Deana had 3 times as many books as hilary, if they had 60 books altogether, how many books did Deana have ?

Respuesta :

lesliekolleroxrkcf lesliekolleroxrkcf

09-09-2018

x=# of Hillary's books. Deanna has 3x. together they have 60
x+3x=60
4x=60
x=15
Deanna has 3*15 or 45 books

Answer Link

mkryukova19 mkryukova19

09-09-2018

Hilary has x books.

Deana has 3x books.

Altogether (x+3x) books.

3x+x = 60

4x= 60

x= 15

Deana has 3x = 3*15 =45

Answer: Deana has 45 books.

Answer Link

Otras preguntas

Question 4 Please help me thank you

in order team / The / been / a / win / to / never / has / competitive / championship. / enough

Balance each of the following chemical equations Ba(OH)2 (aq) + HNO3(aq) + Ba(NO3)2 (aq) + H2O(1) Express your answer as a chemical equation. Identify all of t

Given a polynomial function f(x) = 2x2 + 7x + 6 and an exponential function g(x) = 2x + 5, what key features do f(x) and g(x) have in common?

The primary purpose of sentences 4 and 5 of the second paragraph ("Among ... actually are") in the speaker's line of reasoning is to A argue for the importance

pls help me pls I will give brainliest pls pls help pls pls help me

the ratio of yes votes to no votes was 2 to 3. If there were 1386 yes votes, what was the total number of votes?

what is 10 times 2 divided by 5 times 20

Which crisis can be improved by selective breeding? A.) famine B.) pollution C.) global wary D.) overpopulation HINT-creating new crops will solve one of the

Find the Slope for (3,-4) and (5,4)

good job