A fabric store sells two types of ribbon. One customer buys 3 rolls of the lace ribbon and 2 rolls of the satin ribbon and has a
total of 120 yards of ribbon. Another customer buys 2 rolls of the lace ribbon and 4 rolls of the satin ribbon and has a total of 160 yards of ribbon.
How many yards are on one roll of lace ribbon and one roll of satin ribbon?
OA. There are 10 yards on one roll of lace ribbon and there are 40 yards on one roll of satin ribbon.
OB. There are 20 yards on one roll of lace ribbon and there are 30 yards on one roll of satin ribbon.
OC. There are 30 yards on one roll of lace ribbon and there are 20 yards on one roll of satin ribbon.
OD. There are 40 yards on one roll of lace ribbon and there are 10 yards on one roll of satin ribbon.
The main piece of computer software on which every other piece of software relies is referred to as the "operating system". It is responsible for all the major channels of communication between the software and the hardware.
