ExamPlay Light Logo
サインイン

Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 6)

If 4 pens cost $3.20, how much would 7 pens cost?
$5.60
$6.40
$7.20
$8.00

説明

$3.20/4 = $0.80 per pen. $0.80 * 7= $5.60

コメント (0)

広告