Question

(5)
23. A teacher purchases 42 Mathematics books, 42 English books and 42

Science books. The cost of each Matematics book is 50, of each English
book is 40 and of each Science book is 45.
i. Find the cost of Matematics books.
ii. Find the cost of English books.
iii. Find the cost of Science books.
iv. Find the cost of Mathematics and English books using distributive property.
v. Find the total amount paid by the teacher to the shopkeeper.
15​

Answer 1

Step-by-step explanation:

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Albert Einstein is best known for his equation E = mc2, which states that energy and mass (matter) are the same thing, just in different forms. He is also known for his discovery of the photoelectric effect, for which he won the Nobel Prize for Physics in 1921

Answer 2

Answer:

In centimetres, the thickness of one coin is 0.48 cm. In Millimetres : We know that 1 centimetre = 10 Millimetres.