Answer:x=18
Step-by-step explanation:
3(x-5)=x+21
Distribute the 3
3x-15=x+21
Add 15 to each side
3x=x+36
Subtract x from each side
2x=36
Divide each side by 2
x=18
Answer:a+b ≥40
5+a≤ b
2.50a+1.50b≤ 105
i believe
Step-by-step explanation:
The equations would be:
a+b ≥40 (cupcakes +cookies must be at least 40 total)
5+a≤ b
(At most 5 more cupcakes then cookies)
2.50a+1.50b≤ 105
(The cost of cookies and cupcakes must be less than $105)
Answer:
45 cookies is needed for 15 students
Answer:
Well no much info here. But if you want stuff thats equal then look at the times table. Also a bit more info then I can help out :)
Step-by-step explanation:
Step-by-step explanation:
did you try to apply 2 for all the x's in the problem
