Logg på
Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 10)
If 4 pens cost $6, how much will 10 pens cost?
$12
$15
$18
$20
Forklaring
Each pen costs $6/4 = $1.50. Therefore 10 pens = 10 * 1.50 = 15
Kommentarer (0)
Logg inn for å kommentere
Annonse
Tillat at javascript laster denne siden ordentlig
