Abox of cookies has 6 1/4 servings. if carol buys 4 boxes of cookies, how many servings will she have ?

Carol has 25 servings of cookies.

Step-by-step explanation:

To solve this we need to use multiplication. Our equation will become 6 1/4 x 4. Next I turn 6 1/4 into a decimal to make it easy to divide. Our new equation is 6.25 x 4. 6.25 x 4 is equal to 25. Therefore, Carol has 25 servings of cookies. Hope it helps!

add an image

step-by-step explanation:

1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours