Question

the steel needed for the construction of a bridge is 640 tonnes . If the contractor has already purchased 0.65 part kf the steel , how many more tonnes of steel have to be purchased for the completion of the bridge​

Answer 1

Answer:

hope it will help you

Answer 2

Answer:

224 tonnes

Step-by-step explanation:

He have 0.65% of 640

so 640×0.65= 416

and 640-416 gives the remaining 0.35%

640-416=224

therefore the remaining steel he have to purchase is 224 tonnes