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Standardized Test Practice

EXAMPLE 1. Standardized Test Practice. Write and solve a two-step equation to find the number of flamingos. Write a verbal model. Let n be the number of additional flamingos. EXAMPLE 1. Standardized Test Practice. SOLUTION. 790. 395 n. =. 395. 395. EXAMPLE 1.

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Standardized Test Practice

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  1. EXAMPLE 1 Standardized Test Practice

  2. Write and solve a two-step equation to find the number of flamingos. Write a verbal model. Let n be the number of additional flamingos. EXAMPLE 1 Standardized Test Practice SOLUTION

  3. 790 395n = 395 395 EXAMPLE 1 Standardized Test Practice 2370 = 395n + 1580 Write an algebraic model. 2370 – 1580 = 395n + 1580 – 1580 Subtract 1580 from each side. 790 = 395n Simplify. Divide each side by 395. 2 = n Simplify.

  4. ANSWER The zoo can buy 2 new flamingos next year. An equation for finding the number of flamingos is 2370 = 395n + 1580. The correct answer is B. EXAMPLE 1 Standardized Test Practice

  5. It costs a zoo $1150 this year to feed tortoises. Each new tortoise costs $575 to feed. A zoo’s budget for tortoise food next year is $2875. How many new tortoises can the zoo buy next year? 1. ANSWER The Zoo can buy 3 new tortoises next year for Example 1 GUIDED PRACTICE Feeding Costs

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