Mathematics for IGCSE & O level - Using A Calculator (Section 4 - No. 16)
If a person earns $$1.80 per person, and there are 10 people, how much do they earn?
$1.80
$18
$180
None of the above
คำอธิบาย
The correct answer is $18 since $1.80 x 10 = $18.