Mammals account for about to of all
vertebrates. Birds account for about
of all vertebrates. Together, what
fraction of vertebrates is made up of
mammals and birds?

How to solve a simultaneous equation involved with fractions?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter