160 students participate in after school activity
Answer:
$120.77
Step-by-step explanation:
$9.23 / 0.071 = $130
$130 - $9.23 = $120.77
Answer:
10:11
Step-by-step explanation:
10/11 is a reduced fraction, no common factors between the numerator and denominator, so this ratio is already simplified as far as we can go.
Answer:
12.5%
Step-by-step explanation:
sum the parts of the ratio 1 + 3 + 4 = 8 parts
8 parts represents 100%, hence
1 part = 
= 12.5% ← Andy's percentage of the total
Answer:
1/6a-1/6
Step-by-step explanation:
-2/3 transferred into 6th's is -4/6. You combine like terms, -4/6a+5/6a=1/6a
Then since -1/6 doesn't have a like term, it stays the same.
