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3 years ago

An account earns simple interest. Find the interest earned.$700 at 3% for 4 years

Mathematics

1 answer:

earnstyle [38]3 years ago

3 0

Answer:

$84

Step-by-step explanation:

Simple Interest = Interest rate*Principle*number of years

= (3÷100)*$700*4

=$84

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3 years ago

You roll a six-sided number cube and flip a coin. What is the probability of rolling a number less than 2 and flipping heads? Wr

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Answer:

$\frac{1}{18}$

Step-by-step explanation:

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3 years ago

Read 2 more answers

in hostel of 40 students there is food for 30 days if 20 more students join the hostel how long will the food last

vodomira [7]

Answer:

The food will last for 20 days

Step-by-step explanation:

The equation of the inverse proportional is xy = k, where k is the constant of variation

∵ In a hostel of 40 students, there is food for 30 days

→ That means the food is the constant k and the number of days y

varies inversely with the number of students x

∴ x = 40 and y = 30

∵ xy = k

∴ 40 × 30 = k

∴ 1200 = k

∴ The equation of the inverse proportional is xy = 1200

∵ 20 more students join the hostel

→ That means the number of students increased by 20

∴ The number of students in the hostel = 40 + 20

∴ The number of students in the hostel = 60

→ By using the equation above

∵ 60 × y = 1200

∴ 60y = 1200

→ Divide both sides by 60

∴ y = 20

∴ The food will last for 20 days

8 0

3 years ago

An account earns simple interest. Find the interest earned.$700 at 3% for 4 years​

An account earns simple interest. Find the interest earned.$700 at 3% for 4 years