Answer:
x = n/2 - 1/4
Step-by-step explanation:
isolate the variable by dividing each side by factors that don't contain the variable
Answer:
12,7
Step-by-step explanation:
Set up a proportion and then cross multiply to solve. OR. 15/5 = $3 per bag is the unit rate per 1 bag.
Multiply 27*3=$81
Answer:
16d+7
Step-by-step explanation:
you add the 9c 3c to get 12d so you have the equation 12d+7+5d