Brainlist queston plz help me plz Write the explicit formula for the arithmetic sequence with f(89) = -481.4 and f(126) = -677.5
1 answer:
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Answer:
Brushes= 8, Paint= 4
Step-by-step explanation:
Given: Total spending on paint and brush= $20
Cost of each paint= $4
Cost of each brush= $0.50.
Let´s assume the number of paint bought be "x"
∴ number of brushes bought is "2x".
Now, forming an equation to determine the number of paint and brushes bought.
⇒
⇒
⇒
Dividing both side by 5
⇒
∴
Hence, number of paint bought is 4 units.
Next finding the number of brushes bought.
Number of brushes bought=
∴ Number of brushes bought=
Hence, number of brushes bought is 8 units.