need money for school ...

You want to buy 19 train tickets. Each ticket costs $10. How much money do you need? => $310 or $190 or $253 or $247..

The cost of a book is $15.78. Estimate the money needed to buy 10 such books. => about $160 or about $100 or about $150 or about $180..

William has $20.25. He wants to buy a pair of shoes that costs $24.65. How much more money does he need? => $6.25 or $5.65 or $3.50 or $4.40..

Kathy needs to pay $59.65 for a book. If she has only ten dollar bills, then estimate how much money she should give to the clerk. => round up to $59.70 or round down to $59.50 or round up to $60.00 or round down to $50.00..

Anna wants to buy a hammer which costs $15.80 and a compass that costs $6.70. Estimate the money she needs to buy both of them. => $20 or $23 or $21 or $22..

Kyle wants to purchase an item that costs $74.85. He has $57.25. How much more money does he need to purchase it? => $131.10 or $27.60 or $17.60 or $27.50..

Bill has 42 cents with him. He wanted to buy a toy, which costs $1.3. Find the extra money he needs, to buy the toy, in cents. => 86 cents or 93 cents or 90 cents or 88 cents..

Josh has 58 cents with him. He wants to buy a toy which costs $2.20. Find the extra money he needs to buy the toy. => 167 cents or 162 cents or 165 cents or 159 cents..

Sandra has enough money to buy just 4 oranges at 5¢ each. How many more cents does she need, if she wants to buy 4 oranges each priced at 6 ¢ ? => 5 cents or 4 cents or 25 cents or 6 cents..

Lamarck suggested that new needs arise in the organisms as the ever-changing environment influences them. Changes in the environment create a new need in the organism for adapting to that change, failing which the organism cannot surviv..