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1. Joanna buys a bowl of sopas, a bottled juice and a loaf of bread in the school canteen at P(5x – 4), P(20x - y), and P(3y + 2) respectively. a. Express the total cost in terms of x and y. b. How much does Joanna need to pay if x = 2 and y = 1. Eto answer
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1 Joanna Buys A Bowl Of Sopas A Bottled Juice And A Loaf Of Bread In The School Canteen At P5x 4 P20x Y And P3y 2 Respectively A Express The Total Cost In Terms class=

Sagot :

Step-by-step explanation:

Given:

P(5x_4), P(20x_y), P(3y+2)

x=2, y=1

P= (5(2)_4) + (20(2)_1) + (3(1)+2)

= (10-4) + (40-1) + (3+2)

= (6) + (39) + (5)

=6+39+5

= 50

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