Jack bought a pizza and a drink for $2.65. if the pizza costs a penny more than 3 times the cost of the drink, how much did each cost?

Answers

Answer 1

Answer: To get the answer we can prepare equation. Lets assume x its drink.
Finally we get the equation
3x+x+0.01=2.65
4x+0.01=2.65 /-0.01
4x=2.64 /:4
x=0.66 - cost of drink
3x+1 ---- 3*0.66+0.01=1.99 - cost of pizza

Answer 2

Answer: 66 cents for drink. and 1.99 for the pizza. hope thus helped

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If the ratio of the purple flowers to black flowers is 4 to 8 and there are a total of 108 flowers how many of the flowers are purple

Answers

Ok let's see.

The way to tackle this, is to first add up the ratio's.

So 4+8 = 12. Now this 12 is important as this is total number of shares (bunches) we need to allocate to 2 different flower colours.

Before we can know how much flowers = 4 and 8 bunches. We first need to work out how many flowers = 1 bunch.

It's simple.

108 (total number of flowers) ÷ 12 (bunches of flowers) = 9 flowers per bunch.

So if 1 bunch = 9 flowers.

4 : 8

= (4 bunches x 9 flowers) : (8 bunches x 9 flowers)

Which leads to...

36 purple : 72 black

Purple flowers: black flowers = 4:8 = 108

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Can a quadratic function ever be an odd function? Explain why.

Answers

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explain how multiplying a whole number and a decimal is similar to and different from multiplying whole numbers

Answers

Similar :

Ignore the decimal point and multiply the numbers

Difference :

Count the decimal places and put the decimal point in the final answer

Given :

multiplying a whole number and a decimal

similar :

When we multiply a whole number by a decimal then we ignore the decimal first and the we multiply as if we multiply the whole numbers .

So, its similar like multiplying whole numbers

Different:

After multiplying the numbers as if we multiply like whole numbers , we move the number of decimal places from the left that we have in the decimal number and write the final answer with decimal point .

Learn more : brainly.com/question/2163455

Explanation:

The process is very similar. We multiply the digits the same was as we would multiply whole numbers. We start at the last place value and multiply, working our way left with each line. At the end of the process, we add the lines together.

The difference comes with the decimal point. After we are finished multiplying, we count the number of digits behind a decimal (total) in the problem. This is how many digits will be behind a decimal in the answer.

Explain why estimation is an important skill to know when adding and subtracting decimals

Answers

Being able to estimate your answer is a very useful skill. Not only will it help you decide if your answer is reasonable when doing homework problems or answering a test question, it can prove to be very helpful in everyday life. When shopping, you can estimate how much money you have spent, the tip for a restaurant bill, or the price of an item on sale. By rounding and then doing a quick calculation, you will at least know you are close to the exact answer.

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