Answer:
15 girls
Step-by-step explanation:
In all, there are 7+5 = 12 equal groups of students in the class, that in total make 36 people.
So there are 3 students in each small group.
Answer.
There are 7*3 = 21 boys and 5*3 = 15 girls.
9514 1404 393
Answer:
350,000
Step-by-step explanation:
The vertex of the quadratic ax²+bx+c is located at x=-b/(2a). For the given profit function, the number of units (x) that will produce maximum profit is ...
x = -(140)/(2(-0.0002)) = 1,400,000/4
x = 350,000
350,000 units should be sold to maximize profit.
Answer:
Krutika gets 27 sweets
Step-by-step explanation:
Let
x ---> number of sweets that Caroline gets
y ---> number of sweets that Krutika gets
z ---> number of sweets that Natasha gets
we know that
so
----> equation A
----> equation B
---> equation C
Caroline gets 9 more sweets than Natasha
so
---> equation D
substitute equation D in equation B
solve for z
therefore
Krutika gets 27 sweets
Answer:
21 = -10m - 3
Add 3 to both sides:
24 = -10m
Divide by -10 on both sides:
-2.4 = m
