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3 years ago

Mr Taylor brought back 230 Great British Pounds to Australia. The exchange rate was $1.69 to £1. How much did he get in $ AUD?

Mathematics

2 answers:

blagie [28]3 years ago

8 0

230*1.69=388.7
Mr Taylor get $388.7 AUD

jarptica [38.1K]3 years ago

8 0

Pound : AUD
1 : 1.69
230 : 1.69 x 230
230 : 388.7

Ans: $388.70 AUD

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Step-by-step explanation:

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Part A

The equation is d = 50t

This is because the slope of 50 represents how many miles per day the butterflies cover (on average). The y intercept is 0 to indicate that 0 miles have been traveled initially.

You can think of this as the equation y = 50x

If t = 1, then d = 50t = 50*1 = 50 miles have been covered

If t = 2, then d = 50t = 50*2 = 100 miles have been covered

And so on.

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Part B

You'll have these values in the bottom row (in the order presented): 50, 100, 150, 200, 250

You can plug in the values t = 1, t = 2, t = 3, t = 4 and t = 5 into d = 50t to find those answers in bold.

Or you could add on 50 each time to generate each new value. We start at 50 since t = 1 corresponds to d = 50.

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Part C

You can keep the pattern of 50,100,150, ... going until you reach 2500. Then note the t value that pairs with d = 2500

In my opinion, that's the slower method.

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