joycebenicarlo58 joycebenicarlo58

15-12-2021
Mathematics

contestada

Mary was four times as old as Lea ten years ago. If she is now twice as old as Lea, how old is Mary?

Respuesta :

gabriellavillanque gabriellavillanque

15-12-2021

Answer:

30

Step-by-step explanation:

lea was 5 ten years ago

mary was 4 times older 4x5 is 20

20+10 is 30 and adding ten years to leas age is 15 so

15 is the half of 30

sorry for not explaining it well...

Answer Link

Otras preguntas

Robert bought one 4.5-lb bag of dog food for $3.89, a 7.5-lb bag of cat food for $6.69, and two 2.3-lb bags of birdseed for $1.89 each. How much did he pay for

What is the axis of symmetry for f(x)=- 3x^ 2 +18x-7? X=-3 X=3 X=-6 X=6

What are the exponent and coefficient of the expression -5b?

__________nations are those that do not have the resources to carry on productive trade agreements.

Public goods tend to be _____ because the provider of the good cannot prevent someone from enjoying the good without paying for it, which means the good is ____

what is the central idea of the passage War by william Graham sumner

In which list below do the experimental steps appear in the order in which they are done? A. Hypothesis, purpose, procedure, analysis B. Purpose, hypothes

What is the difference between a secant line and a chord of a circle?

how did the us change as it grew

Please help, RIGHT NOWW!!! PLEASE If a substance could reach absolute zero, which of these would be equal to zero? A. heat B. temperature C. particle motion