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

Write 0.8 as a fraction. Can you please do it in (rational numbers as decimals.) thank you

See your levels 4) Graph the points (7, 3) and (1, 5) on the coordinate plane. ) Click to graph a point. Click the point again to delete it. 10 9 8 7 6 5 4 3 2

Complete the paragraph about the goals of the members of the Grange.

Question 10 Which of the following is the Factor in causing mass movements

Determine the number of triangles ABC possible with the given parts. a = 35, b=47, A = 20° O A. 1 О в. 0 OC. 2 OD. 3

Evaluate √(25) x 3^(2) - square root(3)(-8) divided 2^(2) fifty-five fourths forty-seven fourths thirty-five fourths negative two fourths

HELP ME ASAP!!! A leaking tap loses 1 drop off water per second. If 40 of these drops of water make a volume of 10 mL, how many litres of water are from this ta

what does ''tension cuts the air'' mean

please help with 1.3

Expand(x-3)^5 using Pascal’s triangle. show all the steps