Math
Patrick plants 4 trees in his neigbor's yard. The shortest tree is 5.6 feet. The tallest tree is 11.2 feet. What is a reasonable total height of the trees that Patrick plants?
A. 25ft
B. 30ft
C. 45ft
D. 50ft
I got 33.6 so its B?

Right.
posted by Ms. Sue

Chelsea is using 5 different recipes to bake 5 batches of brownies for a bake sale. The greatest amount of sugar needed for 1 recipe is 3 cups. The least amount of sugar needed for 1 recipe is 1.25 cups. Which is a reasonable amount of sugar Chelsea will use when baking the brownies?
A. Less than 3 cups
B. Between 3 and 5 cups
C. Between 5 and 8 cups
D. More than 8 cupsposted by Mica

You can figure it out the same way as the last problem.
posted by Ms. Sue

6.20 so C?
posted by Mica

No. Please try again.
posted by Ms. Sue

I added 1.25 and 3 and got 1.28
Then I multiplyed by 5. I don't know If i did it right or If I'm suppose to do thatposted by Mica

1.25 + 3 = 4.25
4.25 / 2 = 2.125
2.125 * 5 = ?
posted by Ms. Sue

Does / mean to divide and * mean to multiply?
posted by Mica

Yes.
posted by Ms. Sue

Dont I divide it with 5? so it would be 4.25/5?
posted by Mica

No. You need the total amount of sugar for 5 batches of brownies.
Think about it. One recipe alone calls for 3 cups of sugar. Five recipes can't be less than 3 cups.
posted by Ms. Sue
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