Step-by-step explanation:
A typist types 70 pages in 3 hours 30 minutes
3 hours 30 minutes =3
60
30
hours
=3
2
1
=
7
Let she will type 300 pages =x hours
∴70:300=
:x (ad=bc)
70×x=
300×7
⇒x=
70×2
=15
∴ He will type in 15 hours.
Answer:
He will type in 15 hours.
A typist types 70 pages in 3hours 30 minutes .
3 hours 30 minutes
=3 60/30 hours = 3 1/2 = 7/2 hrs
∴70 : 300= 7/2 : x (ad=bc)
70×x= 300×7/2
= x = 300×7 / 70 × 2 = 15 hours
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Answers & Comments
Step-by-step explanation:
A typist types 70 pages in 3 hours 30 minutes
3 hours 30 minutes =3
60
30
hours
=3
2
1
=
2
7
hours
Let she will type 300 pages =x hours
∴70:300=
2
7
:x (ad=bc)
70×x=
2
300×7
⇒x=
70×2
300×7
=15
∴ He will type in 15 hours.
Answer:
He will type in 15 hours.
Step-by-step explanation:
A typist types 70 pages in 3hours 30 minutes .
3 hours 30 minutes
=3 60/30 hours = 3 1/2 = 7/2 hrs
Let she will type 300 pages =x hours
∴70 : 300= 7/2 : x (ad=bc)
70×x= 300×7/2
= x = 300×7 / 70 × 2 = 15 hours
∴ He will type in 15 hours.