3(b+6) = 3*b + 3*6 = 3b + 18
Answer:
$1.10
Step-by-step explanation:
We have been that Alex went to the grocery store and bought 5 avocados. He paid $10 and received $4.50 in change.
First of all, we will find amount paid for 5 avocados by subtracting $4.50 from $10.


Now, we will divide $5.50 by 5 to find cost of each avocado.


Therefore, the cost of each avocado is $1.10.
Answer:
The question is not clearly stated, but I can correctly infer that you wanted to ask the question below:
Out of 150 members, 120 took part, what is the percentage of the total that took part:
Answer:
80%
Step-by-step explanation:
The question is asking us to find what percentage of 150 is 120
Let the percentage of 150 that is 120 be x
x % of 150 = 120
x/100 × 150 = 120
0.01x × 150 = 120
0.01x = 120 ÷ 150 = 0.8
x = 0.8 ÷ 0.01 = 80
∴ 120 = 80% of 150
Answer:
80 screws
Step-by-step explanation:
25(4)-20
100-20
80
Answer:
x = 0.7071
y = 0.5
Step-by-step explanation:
y=-x^2+1
y=x^2
then:
-x^2+1 = x^2
2x^2 = 1
x^2 = 0.5
x = 0.7071
y = 0.5