Key Words - Ch. 2 | Conjunto de Fichas

Pregunta	Respuesta
Two-term ratio	Compares 2 quantities measured in the same units. Written as = a:b, a to b
Three-term ratio	Compares 2 quantities measured in the same units. Written as = a:b:c, a to b to c
Part-to-part ratio	Compares different parts of a group to each other. Ex. 10:8 is the part-to-prat ratio of brown to red beads
Part-to-whole ratio	Compares 1 part of a group to the whole group. Ex. 5:23 is the part-to-whole ration of blue to total number of beads
Rate	Compares 2 quantities measured in different units. Ex. $1.69 per 100 g $1.69/100 g
Unit rate	A rate in which the second term is one. Ex. 20 km/h 64 beats/min
Unit price	Used when shopping. Often shown per 100 g or per 100 mL.
Proportion	A relationship that says that 2 ratios or 2 rates are equal. Can be written as a fraction. Ex. 2km/3h = 6km/9h

Key Words - Ch. 2

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