Answer:
140
Step-by-step explanation:
dog : cat= 4 : 3
if there are 60 cats,
so, number of dogs = 4/3 × 60 = 80.
number of dogs AND cats = 80+60
= 140
it's d, since the area of a circle is radius squared times pi
3.14×5^2= 78.4
Answer:
20
Step-by-step explanation:
x = price
y = number of keyboard
xy = 540
(x-2)(y+3) = 540
x = 540/y
==> x = 20
==> y = 27
Answer:
= 14X + 6
Step-by-step explanation: