Question

all details me batao . __________?​

Answer 1

Answer:

Let the number be n.

According to the question, 7n+50+40=300

⇒7n+90=300⇒7n=300−90

⇒7n=210⇒n=

7

210

⇒n=30

Thus, the required number is 30.

hope it helps you

Answer 2

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Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence. ... Evidence. Experiment and/or observation as benchmarks for testing hypotheses.