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irga5000 [103]
3 years ago
11

Grace and Jamal each bought notebooks for school. Grace bought 2 notebooks for $2.80 while Jamal bought 4 notebooks for $4.40. W

hat was the unit price of each student's notebooks?
A. Grace: $1.40; Jamal: $1.10

B. Grace: $2.80; Jamal: $4.40

C. Grace: $1.10; Jamal: $1.40

D. Grace: $2.00; Jamal: $4.00
Mathematics
1 answer:
KatRina [158]3 years ago
8 0

Answer: option A

Step-by-step explanation: Grace bought 2 so divide by 2. Jamal bought 4 so divide by 4

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Given:

In △ABC and △PQR, AB = 5 cm , BC = 6 cm , AC = 8 cm , PQ = 6 cm , QR = 5 cm , PR = 8 cm.

To find:

The correct congruency statement for the given triangles.

Solution:

In △ABC and △PQR,

AB=QR=5\ cm                    (Given)

BC=PQ=6\ cm                    (Given)

AC=PR=8\ cm                    (Given)

All three corresponding sides of both triangles are equal. On comparing both triangle, it is conclude that the corresponding angles of A, B, C are R, Q, P respectively.

\Detla ABC\cong \Delta RQP               (SSS congruency postulate)

Therefore, the correct option is C.

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