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3 years ago

I dont know how to solve these

Mathematics

1 answer:

nlexa [21]3 years ago

6 0

Hi! This paper is from Singapore right?

6. (a) the inequality is 45x<y (i think) which is x< (y/45)
(b) If John has 1200 dollars which is y,
x= (1200÷45) = 26.667 ~ round down to nearest number (maximum) is 26.
so the maximum tickets is 26.

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2 years ago

Mr. Anders was three times as old as Kate 5 years ago. Their total age now is 42 years. How old is Kate now?

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We can write this as two equations. Call Mr. Anders' age A and Kate's age K:
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Then solve for A in the second equation:
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Substitute this into the first equation:
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3 years ago

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|–2x| = -6

=> 2x = 6

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and,

=> 2x = -6

=> x = -3.

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1 year ago

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