# SAT Skills Insight

Next Tests:
1/24 , 3/14

#### Skills needed to score in this band

SKILL 1: Use letters as placeholders for unknown values

1. 1

Use letters as placeholders for unknown values

Example

The amount a restaurant owner pays for coffee beans is directly proportional to the number of pounds of coffee she buys. If she buys pounds of coffee at dollars per pound, what is the total amount that she pays, in dollars, in terms of and .

#### Skills needed to score in the next band

Treat expressions such as a + b as a single quantity in linear problem situations (e.g., solving 2(a + b) = 6 to find the value of a + b)

Verify that a value is a solution to a linear or quadratic equation (e.g., substitute and simplify)

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