Question

Simplify : {(-13) - (-27)} + {(-25) - (40)}
verify that (ath) +=
​

Answer 1

Answer:

Simplest ratio = \frac{14}{11}

11

14

This question try to say that:

There is an alloy (Homogeneous mixture) of copper and tin

Copper present in alloy = 7/2 gm = 3.5 gm

Tin present in alloy = 11/4 = 2.75 gm

∴ Ratio = (7/2) ÷ (11/4) = 7 × 2/11 = 14/11

Answer 2

Step-by-step explanation:

(-13+27) + (-25-40)

=14-25-40

14+65

=79