Question

If the symbol * (for the whole numbers) denotes ‘add 5 to the first number and multiply by the double of the second’. For example, 15 * 50 = (15 + 5) X (2 X 50) = 20 X 100 = 2000 What does 21 * 30 mean?

Answer 1

Step-by-step explanation:

21*30=(21+5)×(30×2)=26×60=1560

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Answer 2

Answer:

If the symbol *(for whole numbers) denotes 'add 5 to the first number and multiply by the double of the second'. For example. 15* 50 = (15 + 5) x (2 x 50) = 20 x 100 = 2000 and 0 28 = (0 + 5) x (2 x 28) = 5 x 56 = 280 %3D a) what does 21 30 and 0 37 mean ? b) Is 6* 3 = 3*6? 10