A.2.18.1 What Do Those Symbols Mean?

Auteur:Katie Akesson

Which phrase matches the inequality 30 > h?

Vink alles aan wat van toepassing is

A
less than or equal to
B
greater than
C
greater than or equal to

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Which inequality is 25 a solution to?

Vink alles aan wat van toepassing is

A
h > 50
B
h < 20
C
30 > h
D
None of these

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Which inequality is 30 a solution to?

Vink alles aan wat van toepassing is

A
h > 50
B
h < 20
C
30 > h
D
None of these

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An elevator car in a skyscraper can hold at most 15 people. For safety reasons, each car can carry a maximum of 1,500 kg. On average, an adult weighs 70 kg and a child weighs 35 kg. Assume that each person carries 4 kg of gear with them. Which of the following inequalities does NOT represent the constraints in this situation?

Vink alles aan wat van toepassing is

A
p < 15, where: p = represents the number of people in an elevator car
B
a + c < 15, where: a = represents the number of adults c = represents the number of children in an elevator car
C
a + c < 1,500, where: a = represents the number of adults c = represents the number of children in an elevator car
D
w < 1,500, where: w = represents the weight in kilograms that one elevator car can carry
E
(70+4)a + (35+4)c < 1,500, where: a = represents the number of adults c = represents the number of children in an elevator car

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A.2.18.1 What Do Those Symbols Mean?

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