01: 36: 36
what is the sum of 6 and 7? follow the steps using a math fact as an anchor.
step 1: 6 + 6 = 12
step 2: since 7 is 1 more than 6, 1 more needs to be added to 12.
step 3: therefore, 6 + 7 =
11
13
oo
15
submit
next
save and exit

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.