Answer:
70
Step-by-step explanation:
let x= no of children, y = no of parents, z= no of grandparents.
so according to question condition .... y = 2z, x= y+50 and x+y+z= 400.
hence on solving above all three equation....
x = no of children = 190 Answer
y= no of parents = 140 Answer
z= no of grandparents = 70 Answer
Different collections in total? Or like pairs of 2 how many?
Answer:
i wrote this as a decimal so um i hope this at least helps :). 1.75
Step-by-step explanation:
Answer:
A= 3
Step-by-step explanation:
4a - 7 = 5
move the constant to the right
4a= 5+7
divide
4a=12
Awnser:
A= 3