Someone plz help me. I'm really confused.

2) 1 dozen apple ( 12 apples ) = $4.92

1 apple = $4.92/12

= $0.41

3) distance = speed × time

= 9/10 × 10

= 9 miles

4) 61 minutes = 183 pages

1 minute = 3 pages

5) 8 days = 7 boats

1 day = 7/8 boats

6) speed = distance/ time

= 288/4

= 72 miles/hour

7) 5 cup of flour = 4 cups of sugar

1 cup of flour = 4/5 cup of sugar

1. 50:1

50 ounces of gas per 1 ounce of oil has a 50:1 gas-to-oil ratio

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2. $0.41

Divide $4.92 by a dozen (12) to get the amount per apple

4.92 / 12 = 0.41

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3. 9

9/10 of a mile per minute means the car will travel 9 miles in 10 minutes. This is represented by a ratio of 9:10 or 9/10.

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4. 3

Divide 183 by 61 to get the number of pages per minute

183 / 61 = 3

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5. 7/8

7 boats per 8 days means that 7/8 of a boat can be made in a day. This is represented by a ratio of 7:8 or 7/8.

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6. 72

Divide 288 by 4 to get the number of miles per hour.

288 / 4 = 72

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7. 4/5

4 cups of sugar for every 5 cups of flour means that 4/5 cups of sugar is for every cup of flour. This is represented by the ratio 4:5 or 4/5

20

step-by-step explanation:

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2