Answer:
$0.42
Step-by-step explanation:
create a proportion:
13/.78 = 7/x
cross-multiply to get:
13x = 7(.78)
13x = 5.46
x = 5.46/13
x = .42
Answer:
0.3
Step-by-step explanation:
By definition: 30% = 30/100 = 0.3
Answer:
a1 =3
an = an-1 * 4
Step-by-step explanation:
a1 =3
we are multiplying by 4 to get the next number in the series
an = an-1 * 4
Answer: 16
Step-by-step explanation:
3/8 times ? equals 6
6 divided by 3/8 = ?
6 3
÷
1 8
keep change flip
6 8 48
· = = 16
1 3 3
The answer is 2:1 because at first your ratio would be 18:9 but if you divide that by 9 (for simplifying purposes) than its 2:1
