Step-by-step explanation:

Answer:
a . 1/13
Step-by-step explanation:
Answer:
If each unit costs 14 (p?), then 942 units will cost 13,188.
Step-by-step explanation:
942 times 14 is 13,188
Answer:
9 times
Step-by-step explanation:
Area = length x breadth
area of picture not enlarged = 3 x 5 = 15in²
If length is tripled it becomes , 3 x 3 = 9in
If width is tripled, it becomes , 5 x 3 = 15in
Area of enlarged picture = 9in x 15in = 135in²
amount by which enlarged image is larger = 135in² /15in² = 9