Which expression results in a negative number?
2
○ A. 2/12 (1-2 × 1²/²)
5
1
B. (−18) ÷ -3
3
1
C. (-7
——▬▬▬
D.
7
——
2
-7 — 6)
•|•
23
The expression that results in a negative number is B. (−18) ÷ -3. When a negative number is divided by a negative number, the result is positive. Hence, -18 divided by -3 equals 6.
Jerri was using a recipe for a large cake that required one-third of a tablespoon of cinnamon. Instead of making one large cake, Jerri decided to use the recipe to make four small cakes. How much cinnamon should she use for each of the four small cakes?
To find out how much cinnamon Jerri should use for each of the four small cakes, we need to divide the amount of cinnamon required for the large cake by the number of small cakes.
The amount of cinnamon required for the large cake is one-third of a tablespoon.
To find out how much cinnamon Jerri should use for each small cake, we need to divide one-third by four:
1/3 ÷ 4 = 1/12
Therefore, Jerri should use 1/12 of a tablespoon of cinnamon for each of the four small cakes.
Molly's family has $3,000 set aside for an upcoming vacation. The family plans to spend
3/5 of this amount on gasoline for the drive and motel rooms along the way and
of the remainder on meals. How much does Molly's family plan to spend on meals?
To find out how much Molly's family plans to spend on meals, we need to follow the given instructions step by step.
1. The family plans to spend 3/5 of the $3,000 on gasoline and motel rooms along the way.
3/5 * $3,000 = $1,800
2. The family plans to spend the remaining amount on meals.
Remaining amount = Total amount - Amount spent on gasoline and motel rooms
= $3,000 - $1,800
= $1,200
3. The family plans to spend 2/3 of the remaining amount on meals.
2/3 * $1,200 = $800
Therefore, Molly's family plans to spend $800 on meals.
Molly's family has $3,000 set aside for an upcoming vacation. The family plans to spend
3/5 of this amount on gasoline for the drive and motel rooms along the way and
1/2 of the remainder on meals. How much does Molly's family plan to spend on meals?
To find out how much Molly's family plans to spend on meals, we need to follow the given instructions step by step.
1. The family plans to spend 3/5 of the $3,000 on gasoline and motel rooms along the way.
Amount spent on gasoline and motel rooms = 3/5 * $3,000 = $1,800
2. The remaining amount after spending on gasoline and motel rooms is:
Remaining amount = Total amount - Amount spent on gasoline and motel rooms
= $3,000 - $1,800
= $1,200
3. The family plans to spend 1/2 of the remaining amount on meals:
Amount spent on meals = 1/2 * $1,200 = $600
Therefore, Molly's family plans to spend $600 on meals.