Quickly finding the quintuple of -20

To quickly find the quintuple of -20, you multiply -20 by 5. This operation means you are taking the original number -20 and increasing it fivefold. Multiplying by 5 is the same as adding -20 to itself five times, which simplifies the calculation and gives the total amount in just one step. When you calculate -100 by multiplying -20 by 5, you receive the quintuple of -20. This approach is efficient and applies to any number you choose for -20. For example, if -20 were 7, then 7 multiplied by 5 would give -100 as 35. This method allows you to quickly find five times any number using simple multiplication.