First, let's identify some variables:
d = dress price
s = shirt price
d = 3s
12s + d = 450
Because d = 3s, we can substitute the variable:
12s + 3s = 450
15s = 450
s = 30
The shirt costs $30, and the dress $10
Answer:
yes
Step-by-step explanation:
Answer:
less 13 gallons equals 52 quarts
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
Step-by-step explanation:
P(A and B) = 0.1