Quickly finding the quintuple of 80

To quickly find the quintuple of 80, you multiply 80 by 5. This operation means you are taking the original number 80 and increasing it fivefold. Multiplying by 5 is the same as adding 80 to itself five times, which simplifies the calculation and gives the total amount in just one step. When you calculate 400 by multiplying 80 by 5, you receive the quintuple of 80. This approach is efficient and applies to any number you choose for 80. For example, if 80 were 7, then 7 multiplied by 5 would give 400 as 35. This method allows you to quickly find five times any number using simple multiplication.