Remember, the formula is the second value minus the first value, divided by the first value times 100.
9. 50% Increase
10. 33% Decrease
11. 200% Increase
To calculate tip, simply move the decimal place 2 to the right and multiply it by the price. For example, If you want to leave a 20% tip, multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total including tip.
Both triangles are the same but ones bigger so that means AB=RS ST=BC AC=RT Which means How many 6 go into 18 How many 3 go into 9 How many 5 go into 15 They all 3 So the answer is it is enlarged by 3
