#9 is answer A) yes,
#10 the answer is A) (n,j)
Sophia is 12. Four times that is 48. If her mother is 5 years less than this, she is 43.
(12 x 4) - 5 = 43
Answer:
25 math problems
Step-by-step explanation:
He completed 10 out of x, or the total he has to do.
10/x
We know that this equals 40%
10/x=40/100
Cross multiply to solve
40*x=100*10
40x=1000
Divide both sides by 40
x=25
He must do 25 math problems
Answer:
.51587302
Step-by-step explanation:
17/18= .944.......
3/7=.42857143
.944/.42857143=. 51587302
Step-by-step explanation:
no
yes
no
no
the sum of all angles must be 180°
