If y² = u² + 2ad, then d = ?
1 answer:
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Given that 2 large puzzle costs $16 then
2l=16
or
l=8
That means cost of 1 large puzzle = $8
Given that 3 small puzzle costs $15 then
3s=15
or
s=5
That means cost of 1 small puzzle = $5
Now we will use this information to find the correct choice.
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First choice is <u>wrong </u>as coefficient 8 is with 8l so that gives cost of 1 large not small puzzle.
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Second choice is <u>correct </u>as coefficient 8 is with 8l so that gives cost of 1 large puzzle.
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Third choice is <u>correct </u>as coefficient 5 is with 5s so that gives cost of 1 small puzzle.
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Fourth choice is <u>Wrong </u>as coefficient 5 is with 5s so that gives cost of 1 small not large puzzle.
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Fifth choice is <u>wrong </u>as constant 128 gives total cost of not the total number of puzzles.
