Answer:
Ten added to the difference of six and four. Or, the difference of six and four added to ten.
Step-by-step explanation:
63.27 % of fishes are gold fish
<h3><u>Solution:</u></h3>
Given that out of 49 fish, 31 are goldfish
To find: percent of gold fish
The percent of gold fish is calculated by dividing number of goldfish by total number of fish multiplied by 100
<em><u>The percentage of gold fish is given by formula:</u></em>

From given information,
total number of fish = 49
number of gold fish = 31
Substituting the values in formula, we get

Therefore, approximately 63.27 % of fishes are goldfish
Answer:
x = 2
Step-by-step explanation:
Given
3(x + 6) = 24 ( divide both sides by 3 )
x + 6 = 8 ( subtract 6 from both sides )
x = 2
Answer:
∠ B = 45°
Step-by-step explanation:
∠ A and ∠ Bare alternate exterior angles and are congruent , then
5x - 15 = 2x + 21 ( subtract 2x from both sides )
3x - 15 = 21 ( add 15 to both sides )
3x = 36 ( divide both sides by 3 )
x = 12
Then
∠ B = 2x + 21 = 2(12) + 21 = 24 + 21 = 45°