Answer:
what is a Ratio?
#a ratio indicates how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six. Similarly, the ratio of lemons to oranges is 6∶8 and the ratio of oranges to the total amount of fruit is 8∶14.
how to use Ratios?
#Ratios are applied when converting from one currency to another. For example, you can convert Pounds to Euros or to Dollars by using ratios. Winnings on a bet are calculated using a ratio. You can use ratios to calculate the number of bottles of drinks you need for a party.
how to simplify?
#To simplify any algebraic expression, the following are the basic 4 rules and steps:
•Remove any grouping symbol such as brackets and parentheses by multiplying factors
.•Use the exponent rule to remove grouping if the terms are containing exponents.
•Combine the like terms by addition or subtraction.
•Combine the constants.
what is a proportion?
#A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d.
Properties of proportions?
#Properties of Proportions
Properties of ProportionsIf two ratios are equal, then their reciprocals must also be equal as long as they exist. The product of the extremes is equal to the product of the means.
how to use proportions?
#A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read as "twenty is to twenty-five as four is to five."
