Answer:
i think it 5
Step-by-step explanation:
138 3/8
total shampoo used for 555 dogs = 1/4 x 555 = 138 3/8 bottles
PR=PQ+QR
=7+10
=17
Hope this will help:)
70 .formula = 1/2*b*h hope it helps
x = 10
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