Proportionality
A bottle containing 3/4 of a litre of olive oil costs 3.60€. How much does a litre cost?
4.80€
32% of 500
160
What is the initial amount of money used for a loan called?
Capital
Calculate
sqrt(144)
12
If a cow can eat 2 kilos of grass in 45 minutes, how much grass can one eat in an hour?
2.66 kg
Write 26/59 as a percentage with no decimals.
44%
A bank offers a 5% interest rate. How much profit does 600 euros make in 4 years?
120€
Calculate
7^3 - sqrt(81)
334
A fountain with a flow of 24 litres per minute fills a basin in 35 minutes. How long would it take to fill the basin if the flow was 28 litres per minute?
30 Minutes
2 brothers buy a football for 42€. If the older brother paid for 58% of it, how much money did the younger brother pay?
17.64€
What is the revenue generated by a 35600€ loan at 6% interest over 7 years?
14.952€
Express the following in exponential form
root(5)(x)
x^(1/5)
A farmer has enough food to feed 35 cows for 60 days. How long will his supply last if he sells 15 cows?
105 days
If 47 is 29%, what is 100%?
162
Write the formula used to calculate total interest.
I = (C*r*t)/100
Express the following in radical form
x^(3/7)
root(7)(x^3)
An excavator working 10 hours per day, built a 1000m trench in 8 days. How long would it take to build a 600m trench by working 12 hours a day.
4 days
A city council had 150 jobs to offer. There were 2840 applicants, 95% of them were eliminated. How many applicants were left over AND were there enough to cover all the jobs?
140 and NO
4% interest rate for 5 years gains 7342€ in revenue. What was the initial capital?
36.710€
Write the following in radical form
root(6)(x^5)