24 students have turned in their permission slips so far. This is 80% in the class. How many students are in the class.
1 answer:
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Answer:
2
Step-by-step explanation:
23/8 As a mixed number is 2 7/8
As a decimal, 2.875
Let the cost of one cup of hot chocolate be = x
Let the cost of one cup of hot tea be = y
Paul paid $ 25.50 for 3 cups of hot chocolate and 4 cups of tea.
Equation becomes = ...(1)
As given, the cost of each cup of tea was 2/3 the cost of each cup of hot chocolate.
.... (2)
Putting the value of y from (2) in (1)
=
=
=
x=4.5
=
y =3
Hence each cup of hot chocolate is $4.50
Each cup of tea is $3.