funnybrebre funnybrebre

25-10-2016
Mathematics

contestada

Mandy is twice as old as Jessica. Three years ago, Mandy was three times as old as Jessica was then. What are the ages of the girls?
(1) Mandy is 3 and Mandy is 6.
(2) Mandy is 6 and Jessica is 3.
(3)Mandy is 6 and Jessica is 12.
(4) Mandy is 12 and Jessica is 6

Respuesta :

TigerMath TigerMath

27-10-2016

I think the answer is #4 because if Jessica was 3, three years ago then Mandy was 6 but now Mandy is now 12 because Jessica is 6.

Sorry if my explanation is confusing.

Answer Link

Otras preguntas

Ben is 20 years older than Daniel. Ben and Daniel first met two years ago. Three years ago, Ben was 3 times as old as Daniel.How old is Ben now?

A strip of copper is immersed in dilute nitric acid (i) write a BALANCED equation Answer: Cu + 2H + NO3 --> Cu + No2 +H2O (ii) What happens to the pH of this

It sifts from Leaden Sieves — It powders all the Wood. It fills with Alabaster Wool The Wrinkles of the Road — It makes an Even Face Of Mountain, and of Plain —

Is it possible to have more than two alleles for one (genetic) trait? Explain.

What is the approximate value of the function at x =5?

What percent of 2b is: 0.04b; 0.2b; 0.56b; 1.8b; 2.5b; 3b; By what percent are they each larger or smaller than 2b

ENRICO PAY CHECK FOR LAST WEEK WAS FOR 633 DOLLARS. HE. PAID 17DOLLARS AN HOUR. HOW MANY HOURS DID ENRICO WORK LAST WEEK?

Why mercury can remain for one or two years in the atmosphere without reacting?

Which of the following sentences uses a subjunctive? A I would like to go to the beach today b I want to go to the beach today, but it was too cold outside

Nitroglycerin detonates according to the balanced reaction: 4 C3H5N3O9(l) → 12 CO2(g) + 6 N2(g) + O2(g) + 10 H2O(g). If 150.0 grams of nitroglycerin is detonate