Kendra biked 10 kilometers on monday. she biked twice that many km on tuesday. how many total meters did she bike? what hidden question do you need to answer? she buy work

Kendra biked 30 kilometers in total.

Step-by-step explanation:

You multiply the 10 by 2 because she biked twice as much. You then add that 10 to 20 to get 30 total kilometers biked in total.

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.