6 World Problem Inequalities for tomorrow
HOMEWORK for next monday:
For 4º ESO B
For 4º ESO A
Do these world problems
1. More than 450 students went on a field trip. Ten buses were filled and 5 more students traveled in a car.
a) Write an inequality to represent the situation. Be sure to define your variable.
b) Solve the inequality to find the minimum number of people on each bus.
2. You need to buy some pencils and an eraser. You can spend no more than $5. The eraser costs $1 and the pencils cost $0.25 each
a)Write an inequality to represent the situation. Be sure to define your variable.
b) Solve the inequality to find the maximum number of pencils you can buy.
3. Four times the sum of a natural number and 15 is at maximum 120. Let x represent the number. Find all possible values of x.
Watch the video
Solve graphically the next system of linear inequalities:
Solve graphically the next system of linear inequalities:
y < - x + 1
y > x + 3
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