Question

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Answer 1

Answer:

1.a The cost of one pencil is given in next question

b. 7.5 × 10 = 75.0 mean rs 75 cost of 10 pencil

Answer 2

Refer to attachment

$\underline { \boxed{ \sf \red{Important \: formula \: used}}}$

$\sf \large \: f = \frac{9}{5}c + 32$

This is the formula to convert Celcius to Fahrenheit or Fahrenheit to celcius.

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