Answer:
what do u mean make ur question clear
Step-by-step explanation:
The answer to number 1 is not accurate,the answer to number 2 is accurate, and the answer to number 3 is 102 pounds.
Answer:
option 2=11/20 is the answer.
Step-by-step explanation:
given that there are 20 cards numbers 1,2... 20.
A card is randomly drawn.
We have to find the probability of drawing either 1 or even card.
P(drawing even card) = no of even cards/total cards = 10/20= 0.5
P(drawing one) = no of 1's/total cards = 1/20 = 0.05
P(drawing both one and even card) = 0 (since impossible)
Hence P(drawing even or one) =0.5+0.05-0
=0.55
= 11/20
Hence option 2 is the answer.
Answer:
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Step-by-step explanation:
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The number of adults is 42.
The number of children is 196.
<u>Step-by-step explanation</u>:
- Adult admission = $13
- Child admission = $4
- Total people = 238
- The total bill amount = $1330
Let 'x' be the number of adults.
Let 'y' be the number of children.
The equations are,
x+y = 238 --------(1)
13x + 4y = 1330 ---------(2)
Multiply eq(1) by 4 and subtract eq(2) from eq(1)
4x+4y = 952
-(<u>13x+4y = 1330</u>)
<u>-9x = -378</u>
x = 378/9
x = 42
∴ The number of adults = 42
Substitute x=42 in eq(1)
42+y = 238
y = 238-42
y = 196
∴ The number of children = 196
