Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

P=3(12)+2(19)-3

P=$71

Step-by-step explanation:

Pani buys 3 shirts for $12 each. This is the expression 3(12) for the cost.

Pani also buys 2 pairs of jeans for $19 each. This is the expression 2(19) for the cost.

She pays together 3(12)+2(19) but she also gets a $3 discount subtracted from her total. So her total price P is P = 3(12)+2(19)-3.

Simplify the parenthesis first.

P=3(12)+2(19)-3

P=36+38-3

P=$71

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629

step-by-step explanation:

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