B2-3-1比例式

Multiple Choice

1/2 : (-2/3) 的比值是多少？

• -3/4

• 3/4

• -2/3

• 2/3

Multiple Choice

(-24) : (-12) 的比值是多少？

• 2

• 1

• -2

• -1

Multiple Choice

What is the ratios of cats to dogs if there are 28 cats and 70 dogs?

• 2:5
• 5:2
• 70:28
• 98

Multiple Choice

60:40 的最簡整數比是多少？

• 2:1

• 3:2

• 4:3

• 1:2

Multiple Choice

14:(-35) 的最簡整數比是多少？

• -2:5

• 2:5

• 5:2

• -5:2

Multiple Choice

13:26 的最簡整數比是多少？

• 1:2

• 2:1

• 3:4

• 4:3

Open Ended

若 8:9 = 14:x，求 x?

Open Ended

請利用「外乘外 = 內乘內」求出 x 值： (2x + 1):(x - 3) = (-3):2

Multiple Choice

If x:y = 3:2 and x + y = 20, what are the values of x and y?

• x = 10, y = 10

• x = 12, y = 8

• x = 15, y = 5

• x = 6, y = 14

Multiple Choice

Given the ratio of x:y = 5:7 and the equation x - y = 30°, what are the values of x and y?

• x = 25, y = 35

• x = 20, y = 28

• x = 15, y = 21

• x = 10, y = 14

Dropdown

在圖上，從丹佛到芝加哥是3英寸。如果比例尺是1英寸=300英里，找出實際距離。

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