a = l x w
a / l = (l x w) / l
a / l = w
w = a / l = 108 / 12
w = 9 inches
next , the one inch border reduces the length and the width each by 2 inches, so l and w now equal 10 and 7
a = l x w = 10 x 7 = 70 sq inches left for painting
1 kg= 1000g = 1000000mg
=1000000 ÷ 81
answer: 12345 tablets
- Twice m plus n.
- The sum of twice m and n.4p - 2q
- Four times p minus twice q.
- The difference of four times p and twice q.y/2x
- The quotient of y and twice x.
- y divided by twice x.x²
- x raised to 2.
- x squared.3n + 15
- Thrice n plus 15.
- The sum of thrice n and 15.10(a + b)
- Ten times the sum of a and b.6(s - t) + 20
- The sum of six times the difference of s and t and 20.(m + n) (m - n)
- The product of sum of m and n and difference of m and n.ab/c
- The quotient of the product of a and b and c.
- The product of a and b divided by c.xy²
- The product of x and y squared.