Answer:
Step-by-step explanation:
%change=100(final-initial)/(initial)
%change=100(26-20)/20
%change=30%
Since this is positive the number of dogs increased by 30%
A) 80
b/4-23=-3
b/4=-3+23
b/4=20
b=20*4
b=80
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950 g * 1 cm^3/10.5g = 950/10.5 cm^3 = 90.476 cm^3
