Respuesta :
Answer:
87
Step-by-step explanation:
number of sausage buns = s
number of custard buns = c
at the start of the day, s = c
at the end of the day
c+27=6(s-68)
since c = s,
s+27=6(s-68)
s+27=6s-408
-5s = -435
s=87
Let us represent:
The number of sausages baked at first = s
The number of custard buns baked at first = c
- During the day, 68 sausage buns were sold. This can be expressed using algebraic equations as:
s - 68
- Sam also baked another 27 custard buns to meet a last-minute order. This can be expressed using algebra as:
c + 27
- At the end of the day, Sam had baked 6 times as many custard buns as the number of sausage buns remaining.
Hence:
c + 27 = 6 (s - 68)
c + 27 = 6s - 408
- Note: Sam baked an equal number of sausage buns and custard buns. This means:
c = s
Hence,
c + 27 = 6s - 408
s + 27 = 6s - 408
Collect like terms
408 + 27 = 6s - s
435 = 5s
Divide both sides by 5
435/5 = 5s/5
s = 87
Therefore, the number of sausage buns Sam baked at first is 87 sausage buns.
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