Pete is 15 years old. this is 5 years younger than his sister victoria. write and solve subtraction equation to find victoria's age.

Use a variable to represent Victoria's age.(x)
x-5=15
Solve the equation, Victoria's age is 20

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

B) greg: 30 points , tremaine 38 points