Question

14. Sana paid *72 to enrol herself and 3 of her
friends into a dance show. What was the cost
of each enrolment?
15. Without doing any calculations, Madhu said
that the quotients (-252) + (-18) and (+252) =
(+18) must be the same. How did she know?
16. A scientist is collecting water samples from a
lake. He has collected samples at 5 m intervals
starting, at 5 m below the surface. He collected
the final sample at a depth of 35 m. How many
samples did he collect?​

Answer 1

you given too many questions..

no one would solve in 5 points...

Please increase points...