Question

1. How many students learn Jazz?
2. How many students learn Kathak?
3. How many students learn Bollywood?
4. How many students learn Hip-Hop?

Answer 1

Answer:

jazz = 90 ( one seventh of 630 )

Kathak = 270 ( three seventh of 630)

Bollywood = 180 ( two seventh of 630 )

hip hop = 90

Step-by-step explanation:

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Answer 2

Answer:

look below

Step-by-step explanation:

jazz 630x⅐=90

Kathak 630x 3/7=270

Bollywood 630x 2/7=180

hip hop 1/7+3/7+2/7=6/7

1-6/7=1/7

680x1/7=90