what is the use of money?

Olga earns $180 per week for baby-sitting. She pays $12 per week for a loan. What fraction of the money does she use to repay her loan? => 3 15 or 4 15 or 2 15 or 1 15..

Victor has 4 dollars and 25 cents. Use the decimal point in money values and select the answer that represents this amount. => $4.025 or $4.52 or $4.25 or $25.4..

Tim used to get $130, $150, $170, and $240 as pocket money during 6 th , 7 th , 8 th , and 9 th grades. Will he get more pocket money in his next grade or not? => No or Yes..

Use the table to find the true statement about Paul's savings. => In November, Paul saved twice as much as in October. or Paul saved $15 less in July than in October. or Paul saved the least money in July. or Paul saved $4 in November...

1) Ammonium nitrate is used in the manufacture of fire works. 2) It is used in the preparation of explosives. 3) It is used as a fertilise..

1) Ammonium carbonate is used as a smelling salt. 2) It is used in baking power. 3) It finds use in dyeing industry. 4) It is used as a laboratory reage..

It is used in the manufacture of paints and lacquer..

1. Calcium oxide is used in preparing slaked lime, milk of lime, limewater, lime mortar etc. 2. It is used in cement and glass industry. 3. Used as drying agent for gases and even liquids. 4. Used to make soda lime. It is obtained by treating quicklime with a..

1) They are used in the form of their alloys such as misch metal or pyrophoric alloys. 2) Their alloys are used in making traces bullets, cigarette and gas lighters. 3) Magnesium mixed with 3% misch metal is used in making jet engine parts. 4) The compounds of lanthan..

1. Calcium hydroxide is used in the preparation of lime water. Lime water is a saturated solution of calcium hydroxide in water. 2. It is used to make milk of lime for white washing. When a small quantity of water is mixed with slaked lime, milk of lime paste is formed. It is ..