Math

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1. MATHS

   Amy visits three stores.At the first store she spends half of her money plus $20, at the second store she spends half the money she has left plus $10 and at the third store she spends half of what she has left plus $20. She is now

2. physics

   If the physical half-life of sulfur-35 is 87.1 days, and the biologic half-life in the testicle is 632 days, what is its effective half-life in this organ? I know i have to find the time and then the half-life. But im having

3. 6.11.1 - Test: Adding and Subtracting Fractions Un

   6.11.1 - Test: Adding and Subtracting Fractions Unit Test Part 1 Estimate the sum or difference. Use the benchmarks 0, one-half, and 1. one-half Carol spends one-half hour doing math homework, four-fifths hour doing science

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   Emily receives her paycheck. She spends 1/6 on food. She spends 3/5 of remaining amount on house payment. She spends 1/3 of what is left on her other bills. She spends 1/4 of the remaining money for entertainment. This activity

1. Math

   Julia spends 5/9 of her vacation at summer camp. She spends 3/4 of the remaining time at her grandparent's home. The remaining 7 days she spends at the seashore with her family. How many days of summer vacation does she get each

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   Paul spent a half hour practicing piano and 3/8 hour practicing guitar how much time did he sPend in all practicing?

3. Math on time

   Trying to understand how to solve this? Paige spends 1 hour on her homework. She spends equal amounts of time on all subjects. If Paige spends ½ hour on Spanish, how many subjects does she study?

4. Physics

   A Honda Civic and Lincoln Town Car are initially at rest on a horizontal parking lot at the edge of steep cliff. The Town Car has twice as much mass as the Civic. Equal constant forces are applied to each car and they accelerate

1. math please help!!!!!!!!!!!!!!!!!!!!!

   A lady has a certain number of dollar bills in her purse. She has no other money. She spends half the money on a hat and gives $1 to a begger outside the store.She spends half the remaining dollars for lunch and tips the waiter

2. math

   bruno is setting up a school garden.his budget is $400.he spends 5% of the budget on gardening tools. he spends 95% of the budget on plants.how much money does bruno spend on each? show your work

3. math

   justin spends 7/9 of his homework time on math and social studies. He spends 4/7 of this time on math. What fraction of the total time does he spend on social studies?

4. Math

   Katherine spends 7 h a day in school. This includes a 30 min lunch break each day. a) Write a ratio that compares the time for her lunch break with the total time she spends at school each day. b) Write a ratio that compares the

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