다단계 부등식 단원 종합

R.1R.2Solve each inequality.

1. 1
   $-3(x+8)-12\ge -27$
2. 2
   $-2y-7-7y\le 29$
3. 3
   $3(x-4)-9<-18$
4. 4
   $9p+11+3p\le -25$
5. 5
   $-6k+16<14-7k$
6. 6
   $7x+3<-4x+36$
7. 7
   $14-7n<-9n+30$
8. 8
   $9x-2\le -2x-79$

R.3Write an inequality and solve it. Answer with a whole number.

1. 9
   Leo needs an average of at least $80$ on four tests. Leo's first three scores are $83$, $90$, and $78$. What is the least score Leo can get on the fourth test?

R.3Write an inequality and solve it. Answer with a whole number. (continued)

1. 10
   Leo needs an average of at least $81$ on four tests. Leo's first three scores are $90$, $78$, and $93$. What is the least score Leo can get on the fourth test?
2. 11
   Mia wants at least $\text{\$}330.00$ for a bike. Mia has $\text{\$}86.00$ and earns $\text{\$}14.00$ an hour. What is the least number of hours Mia must work?
3. 12
   Leo needs an average of at least $88$ on four tests. Leo's first three scores are $88$, $77$, and $89$. What is the least score Leo can get on the fourth test?

R.4Solve each inequality.

1. 13
   $8n+13\le -4n+97$
2. 14
   $2y-17>-4y+13$
3. 15
   $3n-14<63-4n$
4. 16
   $-12-9p\le 2p+32$

R.1R.2Solve each inequality.

1. 1$x\le -3$
2. 2$y\ge -4$
3. 3$x<1$
4. 4$p\le -3$
5. 5$k<-2$
6. 6$x<3$
7. 7$n<8$
8. 8$x\le -7$

R.3Inequality Word Problems

1. 969 points
2. 1063 points
3. 1118 hours
4. 1298 points

R.4Multi-Step Inequalities Review

1. 13$n\le 7$
2. 14$y>5$
3. 15$n<11$
4. 16$p\ge -4$