The equation c=2.5t represents the cost,(c),for (t) ticket to the school play. Does a value of 3.5 for (t) make sense in this si
2 answers:
Answer:
No, a value of t = 3.5 does not make any sense in this scenario.
Step-by-step explanation:
We are given the following information in the question:
where c is the cost and t is the number of tickets.
No, a value of t = 3.5 does not make any sense in this scenario.
Because the number of tickets are discrete value and cannot have decimal values.
The continuous variable can be expressed in decimal form.
Hence, t cannot have a value of 3.5
Although, cost is a continuous variable and may have decimal values.
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Answer:
127.2 litres
Step-by-step explanation:
Let x be the number of 80% strawberry juice( in litres ) mixed with 6 litre of 20% strawberry juice mixture to obtain 55% strawberry juice,
∵ Resultant mixture = (6+x) litres,
Since, strawberry in x litres + strawberry in 6 litres = strawberry in resultant mixture
⇒ 80% of x + 20% of 6 = 55% of (60+x)
⇒ 80x + 20 × 6 = 55(60+x)
⇒ 80x + 120 = 55 × 60 + 55x
⇒ 80x = 3300 + 55x - 120
⇒ 80x - 55x = 3180
⇒ 25x = 3180
⇒ x = = 127.2
Hence, 127.2 litres of 80% mixture should be mixed.