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BabaBlast [244]
3 years ago
5

During apple-picking season, 7 out of every 10 apples that are picked have a leaf attached to their stem. If Jackson picked 210

apples during apple season, how many apples with a leaf would he expect to get?
Mathematics
2 answers:
nekit [7.7K]3 years ago
6 0

Answer:170

Step-by-step explanation:

Multiply 210 by 0.70 because that's equal to 70%. This will give you the answer.

aev [14]3 years ago
3 0

Answer:

147 apples with a leaf

Step-by-step explanation:

7 out of 10 is equivalent to 0.7

210*0.7 = 147

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Answer:

V1 = 60 km/h

V2 = 40 Km/h

Step-by-step explanation:

The speed of an object is defined as

Speed =  distance / time

Let

V1 be the speed of the faster car

V2 be the speed of the other car

t1 the time it took for the first car to arrive

t2 the time it took for the second car to arrive

d1 the distance traveled by first car

d2 the distance traveled by second car

We know thanks to the problem that

V1 = V2 + 20 Km/h

t1 = t2 - 1 hour

d1 = d2 = 120 Km

d1 = V1 * t1

d2 = V2* t2

V1 * t1 = V2* t2

V1* t1 = (V1 -20)*(t1 +1)

The system of equations

(V1 -20)*(t1 +1) = 120

V1 * t1 = 120

120 + (120/t1) -20*t1 = 140

(120/t1) -20*t1  = 20

Which gives,

t1 = 2

This means

V1 = 60 km/h

V2 = V1 - 20 Km/h =  40 Km/h

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Step-by-step explanation:

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