(i don't get this at all cause it said it was wrong when i answered) there is a patch of lily pads on a lake. "every day, the patch doubles in size. if it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake? "

47 days

Step-by-step explanation:

Every day, the patch doubles in size n it takes 48 days for the patch to cover the entire lake.

so on the 47th day, the patch size will be half of that on the 48th day = 1/2 of the entire lake.

i dont know

step-by-step explanation:

the answer to the expression is 83