Answer:
At least 64 points
Explanation:
To beat their old record (650 points) they need to get at least 651
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Lets call their current points: x
Their goal of 651: z
And how many points they need: y
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Now lets write an equation with those new found variables:
z - x = y
Then replace the letters with their respected numbers:
651 - 587 = 64
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So they need at least 64 points to set a new record.
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Hope that helped!!!