change the mixed numbers to improper fractions and multiply the numerators / denominators
10 =
×
=
= 1110
The histogram shows the number of items that customers bought during a trip to the grocery store one day. Four hundred customers
took a trip to the grocery store that day. Which is the best estimate for the number who bought fewer than 30 items during their trip?
A)278
B)204
C)148
D)106
A)278
B)204
C)148
D)106
1 answer:
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Answer:
Step-by-step explanation:
We have:
(1) two trapezoids with bases b₁ = 7cm and b₂ = 5cm and the height h = 4cm
(2) three rectangles 3 cm × 7 cm, 3 cm × 4 cm and 3 cm × 5 cm.
The formula of an area of a trapezoid:
Substitute:
Calculate the areas of the rectangles:
The Surface Area: