Answer:
Jemima is wrong because perimeter is sum of all sides and the perimeter of this figure would be the outer sides of it and not the inner sides.
The first one shows 1 cm and 7 mm, we need to convert 7 mm to cm
1 cm + 7 mm
= 1 cm +

cm
= 1 cm + 0.7 cm
= 1.7 cm
The first one is 1.7 cmThe second one shows 11 inches and 5/16 inches. Between number 11 and 12, there are 16 strips and the pointer lies on fifth strip, thus it show 5/16 inches.
The second one is 11
inches.The third one shows 13 cm and 8 mm. We need to convert mm into cm.
13 cm + 8 mm
= 13 cm + 0.8 cm
= 13.8 cm
The third one is 13.8 mm
Answer:
<h2>
ANSWER</h2>
Step-by-step explanation:
Divide the time value by 60

Answer:
B) 2600
Step-by-step explanation:
Set up a proportional equation and solve:
220/300=x/3545
(220)(3545)=300x
779900=300x
2599.666=x
2600=x
Your best estimate is B) 2600
We use ones and tens when figuring out the place value of numbers.