The student has 12 different possibilities for pen and color combination on the poster.
answer: 5.34
Step by step explanation 12.75 + 13.95=26.7
20% of 26.7 is 5.34
67a(t+z)=45z+67
Distribute the 67a to inside the parenthesis.
67at + 67az = 45z + 67
Subtract 67 to the other side.
67at + 67az - 67 = 45z
Divide everything by 45.
1.49at + 1.49az - 1.49 = z
Hope that helped! :)
36.3 Johns number sub or add or divid or multication
Against because I don't think it was fair