Q1 Q2 - Using ratios Josie makes fruit punch by mixing fruit juice and lemonade in the ratio 1:3
She needs to make 28 litres of punch for a party.
How much of each ingredient does she need?
Fruit juice litres
Lemonade = litres
Q2
0
10
[4]
0
10
During the party Josie decides to make some more.
She has 3 litres of fruit juice left and plenty of lemonade.
How much extra punch can she make?
litres
[3]
To make the second batch of punch go further Josie
adds 3 more litres of lemonade.
What is the ratio of fruit juice to
lemonade in the second batch?
Total
0
20
[3]

x is greater than 5

step-by-step explanation:

2x+7 is greater than 17

    -7                           -7

2x is greater than 10

divide by 2 each side

x is greater than 5

55% are girls and 45% are boys : ) hope this

step-by-step explanation:

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation: