Unit 4 Test Review

Front

What is the formula to calculate percent of error?

Back

Percent of Error = (Difference / Original) x 100

Front

If a table measures 7 inches but is actually 7.5 inches, what is the percent of error?

Back

6.7%

Front

What is the total cost of an item after applying a sales tax?

Back

Total Cost = Original Price + (Original Price x Sales Tax Rate)

Front

Ralph buys a computer for $675 with a 6% sales tax. How much did he pay in total?

Back

$715.50

Front

What is the relationship between batches and grams of flour in a recipe?

Back

b = f/70, where b is batches and f is grams of flour.

Front

If Olivia uses 560 grams of flour for 8 batches, how much flour is used per batch?

Back

70 grams per batch.

Front

How do you calculate the markdown price of an item?

Back

Markdown Price = Original Price - (Original Price x Discount Rate)

Front

If a DVD sells for $15 and is marked down 10%, what is the sale price?

Back

$13.50

Front

What is the relationship between batches and grams of sugar in a cookie recipe?

Back

b = s/100, where b is batches and s is grams of sugar.

Front

If Emma uses 500 grams of sugar for 5 batches, how much sugar is used per batch?

Back

100 grams per batch.