Answer:
0,4.2
Step-by-step explanation:
Answer:
B. 42 Mins
Step-by-step explanation:
you take .70x60mins and that is 42 mins.
1) let both have x ,
so putting in eqn ;
4x+0.50 = 9x-3
5x=2.50
x=0.50
therefore both have 50 p in the beginning !!
2) let the number be x
so in eqn;
(x+18)/2=5x
x+18=10x
9x=18
x=2
so the number must be 2 !!
if you have still any problem, comment !!
I’m pretty sure the answer is D
Answer:
16
Step-by-step explanation:
count the dots. each is one observation
