R.3

부등식 문장제

2분기 (12~2월)

예산·무게 제한·저축 목표·평균 문제에서 가능한 가장 큰(작은) 자연수 구하기

난이도

보통

난이도

문제 수

예제 포함답안지 포함

@page { size: letter; margin: 0; } @media print { .ws-page + .ws-page { break-before: page; } } Daniel Math Academy \cdot Grade 8 Math Inequality Word Problems Skill R.3 \cdot Multi-step inequalities \cdot ★★☆ Medium \cdot Quarter 2 Name Date Score / 4 Scan for answers Write an inequality and solve it. Answer with a whole number. Example 9 t + 5 \leq 50 9 t \leq 45, so t \leq 5 : at most 5 tickets Think: “At most” means \leq and “at least” means \geq. The answer must be a whole number, so take the whole number that still works. 1 Leo needs an average of at least 86 on four tests. Leo's first three scores are 91, 77, and 89 . What is the least score Leo can get on the fourth test? 2 Mia wants at least $ 320.00 for a bike. Mia has $ 22.00 and earns $ 8.00 an hour. What is the least number of hours Mia must work? 3 Mia wants at least $ 340.00 for a bike. Mia has $ 67.00 and earns $ 14.00 an hour. What is the least number of hours Mia must work? 4 Mia wants at least $ 230.00 for a bike. Mia has $ 56.00 and earns $ 12.00 an hour. What is the least number of hours Mia must work? Daniel Math Academy \cdot danielmath.com Worksheet # feuu5d7 \cdot Page 1 / 2 Daniel Math Academy \cdot Grade 8 Math Answer Key R.3 Inequality Word Problems \cdot ★★☆ Medium 1 87 points 2 38 hours 3 20 hours 4 15 hours Daniel Math Academy \cdot danielmath.com Worksheet # feuu5d7 \cdot Answer Key \cdot Page 2 / 2

R. 다단계 부등식스킬 4개