## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

# Chapter 2 - Equations, Inequalities, and Problem Solving - 2.4 Applications with Percent - 2.4 Exercise Set: 64

#### Answer

$1.84$ quadrillion.

#### Work Step by Step

The total Btu provided by the renewable energy sources is 8 quadrillion. Biofuels provided $23$% of this total: Biofuels contributed $8\times0.23=1.84$ quadrillion BTU.

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