1.

Find the value of: [4 MARKS] (i) p+q+3r when p=1,q=5,r=2 (ii) 2a+4b+5c when a=5,b=10,c=20 (iii) 3a−2b when a=8,b=10 (iv) 5x+3y−6z, when x=3,y=5,z=4

Answer» Find the value of: [4 MARKS]

(i) p+q+3r
when p=1,q=5,r=2

(ii) 2a+4b+5c
when a=5,b=10,c=20

(iii) 3a2b
when a=8,b=10

(iv) 5x+3y6z,
when x=3,y=5,z=4


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