Question

the ratio of metals a and b in an alloy is 7: 9 find the amount of metal a in 320 kg alloy​

Answer 1

Answer:

140 Kg

Step-by-step explanation:

7X +9X = 320

16X = 320

X = 20

weight of metal A

7(20) = 140 Kg

PLEASE MARK THIS AS BRAINLIEST

Answer 2

Answer:

so the total composition of alloy is 7+9 =16 So

1)7/16 ×320 = 140 kgs

2) 9/16 × 320 = 180 kgs

so 140 kg of other metal and 180 kg of different metal