The answer is x= 3.666 or 3 2/3
4 brothers because you have to divide the money that she pended and how much did each shirt costed.
hope it helps
12 and 13 have the same amount of students. so B or C will work. please mark brainliest

First, distribute 3 into the parenthesis(multiply it to every term inside):

Add 21 to both sides:

Subtract 15m to both sides:

Divide -11 to both sides:

To check our work we can plug this back into the original equation for 'm':


Multiply:

Distribute 3 into the parenthesis:

Subtract:

Both sides are equal to each other, so we solved it correctly.
Answer:
Since 18 cupcakes are a multiple of 18, simply multiply by 3 times 2 1/2 = 10.5 pounds to bake 18 cupcakes.
Step-by-step explanation: