Question

The value of [2.5 x 1.5 + 9.8+ {7.2-6.8 + 1.3+ (8.2 - 1.2) -6.71}] is
(A) 15.35
(B) 15.45.
(C) 15.55.
(D) 15.65

I NEED SIMPLIFIED ANSWER​

Answer 1

[2.5×1.5+9.8+{7.2-6.8+1.3+(8.2-1.2)-6.71}]

=[2.5×1.5+9.8+{7.2-6.8+1.3+7.0-6.71}]

=[2.5×1.5+9.8+{7.2-6.2+8.3-6.71}]

=[2.5×1.5+9.8+{7.2+2.1-6.71}]

=[2.5×1.5+9.8+{9.3-6.71}]

=[2.5×1.5+9.8+{2.61}]

=[2.5×1.5+9.8+2.61}]

=[3.75+12.41}]

=16.16