Answer: 15:42or simplified 5:14
Step-by-step explanation:
15 angelfish to 42 guppies
15/3= 5
42/3=14
so the ratio of 15:42 is equal to 5:14
X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
Answer:
a. 180
Step-by-step explanation:
= 
cross-multiply:
4x = 720
x = 180
Answer:
42
Step-by-step explanation:
Explanation in image