Answer:
savings = $360
spending = $160.
Step-by-step explanation:
saving : spending
9 : 4
total amount = $520
add the two parts in the ratio(9+4) to get the total parts.
9 + 4 = 13parts . so, 13 parts = 520.
what about 9 and 4?
13 = 520
9 = ?
9 × 520/13 = 360
4 × 520/13 = 160.
hope this helps.
Answer:
- 25
Step-by-step explanation:
Step 1:
3/5m = - 15 Equation
Step 2:
m = - 15 ÷ 3/5 Divide
Step 3:
m = - 15/1 × 5/3 Multiply
Answer:
m = - 25
Hope This Helps :)
yes sure, i learned this before so
1. a. make a proportion here, of percentage. 
if you cross multiply and divide you get 90%.
1. b. obviously the empty seats would be 10%.
2. a. proportion again, 
cross multiply then divide you ge 15%
3. 30% in decimal form is 0.3. multiply it then to the total amount, so 0.3 x 15 = 4.5
That sounds fun but I think that’s physical education not mathematics
Answer: 1014.2
Step-by-step explanation: you look to the right of 1 and if it is 5 or greater you round up. If it is 4 or less you keep it the same number as it is.
