spike617doesmcp6ithu spike617doesmcp6ithu

01-04-2018
Mathematics

contestada

William is 3 years older than Charmaine.The sum of 3 times charmaines age and 2 times Williams age is 76.How old are William and Charmaine

Respuesta :

emiliaatkinson emiliaatkinson

01-04-2018

Charmaine= x
William=x+3
3 times Charmaine = 3x
2times William = 2x+6
5x+6=76
5x=76-6
5x=70
X=14
Charmaine is 14
William is 3 years older so is 17

Check:
17x2= 34
14x3=42
34+42=76

So Charmaine is 14
William is 17

Answer Link

Otras preguntas

what is the value of the tape diagram if the ratio is 8 to 7 and the total is 195

$0.90x + $8 = (16 + x)($0.65)

AB←→ is perpendicular to CD←→. How many 90° angles are formed by the intersection?

PLEASE, PLEASE HELP ME?!?4. Identify the word or words that the underlined phrase modifies.The cool, blue water in the pool attracts everyone on these hot summe

Pollution is the only way that humans can cause changes to ecosystems. True or false?

how many miles can you get on one tank of gas if your tank holds 18 gallons and you get 23 miles per gallon?

Write the polynomial in standard form.–7x^2 – x^3 + x^ 5 + 2 A. x^5 + x^3 + 7x^2 + 2 B. x^5 – x^3 – 7x^2 + 2 C. –7x^2 – x^3 + x^5 + 2 D. 7x^2 + x^3 + x^5 + 2

How do you simplify 8 to the -2 power

i am in 5th grade. jorrod's sports card holder can hold 9 cards on each page. how many pages will jarrod need if he has 75 sports card.solve using models. expla

R(p)=-1/2p^2+1900p at what prices p is revenue zero?