Answer:
Step-by-step explanation:
2×4 + 3x = 14
x = 2
Answer:
r = 1/5
Step-by-step explanation:
Substitute x=15 and y=3 into the equation given.
Transpose so that r = 3/15
Simply 3/15
r = 1/5
The cost of per scarf is $2.50 because if you divide $30 by 12 scarves you get $2.50
