Answer:
The daughter is 16 and the father is 64
Step-by-step explanation:
f=father
d=daughter
f = 4d
f+8 = 3(d+8)
solving-
d=16
f=64
Math you do in your head
example you can do 10 tiemes 3=30 in your head
that is mental math
you might have a hard time doig 19 times 23 so you would use a calulator then it would not be mental math
it's helpful if at the supermarket or at a resaurant
mental math is math done in the mind
Answer:
2.5
Step-by-step explanation:
-i
The best way to explain this is to divide 75 by 4 and whatever remainder you have (in this case 3) you make it i^3 which is -i
200 i think i can’t see the whole question
